STORAGE · YOUR NEXT FACE-OFF

Samsung 990 vs SK hynix Platinum P41

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

Samsung 990

2 TB · M.2 2280 without factory heatsink · MZ-V9V2T0BW

Full product profile Official image

Exact model & source notes

Samsung's 990 is a 2 TB PCIe 4.0 x4 NVMe SSD in a bare M.2 2280 module, rated up to 7,250 MB/s read and 6,450 MB/s write. It uses Host Memory Buffer caching rather than a listed onboard DRAM cache, and its limited warranty runs 3 years or 800 TB written.

Specifications checked 27 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHICH SUITS YOU?

Choose the Samsung 990 for

Higher stated rated sequential read: 7,250 MB/s vs 7,000 MB/s

Choose the SK hynix Platinum P41 for

Higher stated rated random read: 1,400,000 IOPS vs 850,000 IOPS
Higher stated rated random write: 1,300,000 IOPS vs 1,200,000 IOPS
Higher stated warranty write threshold: 1,200 TB vs 800 TB

Built from verified specifications that differ. Not a rating or a recommendation.

See the 13 verified differences

THE CONTENDER

SK hynix Platinum P41

2 TB · M.2 2280 single-sided · no heatsink · SHPP41-2000GM-2

Full product profile Official image

Exact model & source notes

SK hynix's 2TB PCIe 4.0 x4 NVMe drive in a bare, single-sided M.2 2280 format, rated up to 7,000 MB/s read and 6,500 MB/s write, using SK hynix 176-layer TLC NAND and its in-house Aries controller, with a 1,200 TBW rating and five-year limited warranty.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

Samsung 990 UK & US retailers

UK & US price history: no verified listing yet

SK hynix Platinum P41 UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

SPECIFICATIONS SIDE BY SIDE8 topics

SELECTED TOPIC

01 / 08

Write rating

The manufacturer’s published total-write rating. Read each drive’s workload and warranty conditions below: a TBW rating is not always the warranty cutoff. It is not a predicted failure point or reliability score.

Samsung 990800 TB

Manufacturer specification · Warranty write threshold for the 2 TB capacity (1 TB model: 400 TB), in compliance with JESD218; not a guaranteed failure point.

Source 1 Source 2

SK hynix Platinum P411,200 TB

Manufacturer specification · SK hynix up-to TBW for the 2TB capacity. Not a guaranteed service life.

Source 1

Explore the full specifications

Check the connection before the capacity. M.2 NVMe modules and 2.5-inch SATA drives are not interchangeable. Check the host’s protocol, slot or bay, power connection and clearance. Rated speeds use different test systems; we do not turn them into a speed score or overall winner.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

13 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.

Warranty write threshold

In Visual facts

Samsung 990800 TB

SK hynix Platinum P411200 TB

Sources

Samsung 990

Manufacturer specification · Warranty write threshold for the 2 TB capacity (1 TB model: 400 TB), in compliance with JESD218; not a guaranteed failure point.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification · SK hynix up-to TBW for the 2TB capacity. Not a guaranteed service life.

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Check the exact configuration and source conditions for your use.

Limited warranty time

In Visual facts

Samsung 9903 years

SK hynix Platinum P415 years

Sources

Samsung 990

Manufacturer specification · Time limit, not a lifespan prediction. Coverage also ends at the TBW threshold; eligibility and full terms apply.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification

SK hynix SSD — official five-year limited warranty terms

Check the exact configuration and source conditions for your use.

Controller

In Visual facts

Samsung 990Samsung in-house controller

SK hynix Platinum P41SK hynix in-house "Aries" controller

Sources

Samsung 990

Manufacturer specification · Samsung does not give a codename, stepping or process node.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification

SK hynix Newsroom — "SK hynix Launches PCIe 4.0 Platinum P41 SSD" (official press release)

Compare the exact component configuration. A controller or NAND name is not a measured performance or reliability rating.

Hardware encryption support

In Visual facts

Samsung 990AES-256; TCG Opal 2.0; IEEE 1667

SK hynix Platinum P41AES 256-bit encryption; TCG Pyrite

Sources

Samsung 990

Manufacturer specification · Listed security capabilities do not mean encryption is enabled or supported by every host.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification · SK hynix lists "AES 256-bit Encryption, TCG Pyrite Supported".

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Listed encryption support does not mean it is enabled. Check the exact host, software and configuration requirements; no security certification is inferred.

Drive management software

In Visual facts

Samsung 990Samsung Magician

SK hynix Platinum P41SK hynix Drive Manager: Easy Kit (Windows 64-bit) and firmware update utility

Sources

Samsung 990

Manufacturer specification · UK feature block: data transfer, drive-health tracking and firmware updates. Check the current software version and its requirements.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features

SK hynix Platinum P41

Manufacturer specification

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Check the software, operating-system and licence requirements. An available feature does not establish a measured speed improvement or support on every host.

Rated performance and conditions

In Visual facts

Samsung 990Up to 7250 MB/s sequential read; up to 6450 MB/s cached sequential write

SK hynix Platinum P41Up to 7,000 MB/s sequential read; up to 6,500 MB/s sequential write

Sources

Samsung 990

Manufacturer specification · Manufacturer up-to claims measured with IOmeter 1.1.0, Ryzen 9 7950X, ASRock X670E Taichi, 32 GB DDR5-4800 and Windows 11 Pro. Secondary drive in a fan-cooled desktop; writes use Intelligent TurboWrite within a specific transfer size. Firmware, host and workload affect results; Samsung does not list a post-cache write speed.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification · SK hynix "up to" figures for the 2TB capacity. SK hynix publishes no test platform, queue depth, block size or drive-state conditions for these figures. Not our measurement.

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Manufacturer peak claims depend on cache state, host and workload. Queue depth and test systems must match before performance can be compared; these figures do not establish a faster everyday drive.

Show 7 more verified differences

Rated sequential read

In Visual facts

Samsung 9907250 MB/s

SK hynix Platinum P417000 MB/s

Sources

Samsung 990

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Manufacturer peak claims depend on cache state, host and workload. Queue depth and test systems must match before performance can be compared; these figures do not establish a faster everyday drive.

Rated sequential write

Samsung 9906450 MB/s

SK hynix Platinum P416500 MB/s

Sources

Samsung 990

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Manufacturer peak claims depend on cache state, host and workload. Queue depth and test systems must match before performance can be compared; these figures do not establish a faster everyday drive.

Rated random read

Samsung 990850000 IOPS

SK hynix Platinum P411400000 IOPS

Sources

Samsung 990

Manufacturer specification · Manufacturer up-to claim for the 2 TB column (queue depth and block size not stated in the datasheet). IOmeter 1.1.0, Ryzen 9 7950X / X670E Taichi, 32 GB DDR5-4800, Windows 11 Pro, fan-cooled secondary drive; write results use Intelligent TurboWrite.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification · SK hynix up-to random read for 2TB (1,400K IOPS); block size and queue depth are not stated.

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Manufacturer peak claims depend on cache state, host and workload. Queue depth and test systems must match before performance can be compared; these figures do not establish a faster everyday drive.

Rated random write

Samsung 9901200000 IOPS

SK hynix Platinum P411300000 IOPS

Sources

Samsung 990

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification · SK hynix up-to random write for 2TB (1,300K IOPS); block size and queue depth are not stated.

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Manufacturer peak claims depend on cache state, host and workload. Queue depth and test systems must match before performance can be compared; these figures do not establish a faster everyday drive.

Warranty terms and endurance if applicable

Samsung 9903 years or 800 TB written, whichever comes first; limited-warranty terms apply

SK hynix Platinum P41Five-year limited warranty for the original purchaser; 1,200 TBW endurance rating at 2TB

Sources

Samsung 990

Manufacturer specification

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification · The published warranty terms require proof of purchase and the certificate of authenticity supplied at purchase. The warranty page does not state that coverage ends on reaching the TBW rating; the TBW figure is the product-page endurance rating.

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)SK hynix SSD — official five-year limited warranty terms

Check the exact configuration and source conditions for your use.

Operating temperature

Samsung 9900–70 °C

SK hynix Platinum P410 °C to 70 °C

Sources

Samsung 990

Manufacturer specification · 0–70 °C is the S.M.A.R.T. operating temperature with airflow recommended, not an independent cooling measurement.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Check the exact configuration and source conditions for your use.

Drive dimensions

Samsung 99080.15 × 22.15 × 2.38 mm

SK hynix Platinum P41(22.00 ± 0.15) × (80.00 ± 0.15) × (max. 2.38) mm

Sources

Samsung 990

Samsung lists these as maximum dimensions. This version has no factory heatsink. · Manufacturer specification · Samsung lists maximum width × height × depth for the bare module.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification · As published by SK hynix (width × length × maximum height), single-sided bare drive.

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

A size or weight trade-off; it does not establish the better product.

Missing or non-comparable evidence (25)

Form factor

Samsung 990M.2 2280

SK hynix Platinum P41M.2 2280 (single-sided)

Sources

Samsung 990

Manufacturer specification

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

One source states less detail or a rounded figure. This is not a verified difference; check the exact configuration.

DRAM cache present

Samsung 990Not verified

SK hynix Platinum P41Not verified

Sources

Samsung 990

Samsung does not state this for this model. · Manufacturer specification · Samsung's tables specify HMB and do not state whether onboard DRAM is present. Host memory buffering is not onboard DRAM.

Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cache arrangement

Samsung 990Host Memory Buffer (HMB)

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

NAND type

Samsung 990Not verified

SK hynix Platinum P41SK hynix 176-layer 3D TLC NAND

Sources

Samsung 990

Both reviewed exact technical sources say Samsung V-NAND without specifying the NAND cell type. TLC, QLC or another cell type is not established. Preserve the positive V-NAND technology separately. · Manufacturer specification

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

Manufacturer specification

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Included cloning software

Samsung 990Samsung Magician data transfer

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · The UK feature block says Magician can transfer data. Check software version, operating-system support and migration requirements.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Write-buffer technology

Samsung 990Intelligent TurboWrite

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · Manufacturer write caching is active for peak write claims and operates only within a specific data transfer size. Samsung does not list the buffer capacity or post-cache write speed for this 2 TB model.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rated random read, QD1

Samsung 990Not verified

SK hynix Platinum P41Not verified

Sources

Samsung 990

Samsung does not state this for this model. · Manufacturer specification · Samsung's 2 TB page and data sheet do not list QD1 results.

Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rated random write, QD1

Samsung 990Not verified

SK hynix Platinum P41Not verified

Sources

Samsung 990

Samsung does not state this for this model. · Manufacturer specification · Samsung's 2 TB page and data sheet do not list QD1 results.

Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Humidity range

Samsung 9905–95%

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · Manufacturer specifies non-condensing conditions. This environmental range is not waterproofing or an IP rating.

Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Installation kit included

Samsung 990No

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · UK page says installation kit not available; no supplied screw or host heatsink is assumed.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Earlier PCIe support

Samsung 990PCIe 3.0

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · Data sheet footnote: backward compatible with PCIe 3.0. Host protocol and lane availability still determine actual operation and speed.

Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Modern Standby support

Samsung 990Not verified

SK hynix Platinum P41Not verified

Sources

Samsung 990

Samsung does not state this for this model. · Manufacturer specification · Samsung does not state Modern Standby support; device sleep is a separate feature.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

NAND technology

Samsung 990Samsung V-NAND

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

NVMe interface protocol version

Samsung 9902.0

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

The reviewed exact manufacturer sources identify NVMe but do not state its protocol version. An omitted version does not establish a different version or missing NVMe support. · Manufacturer specification

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published power conditions

Samsung 9904.3 W average active read; 3.8 W average active write; 55 mW PS3 idle (APST on); 3 mW PS4 (L1.2)

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · 2 TB column. Active power measured with fio 3.28 on an Intel Core Ultra 7 265K / ASUS Maximus Z890 HERO / Ubuntu 22.04 system with 32 GB DDR5-4800, which differs from the speed test. These are not a constant everyday load.

Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

SK hynix publishes no active, idle or sleep power figures for the Platinum P41; the specification table lists only the supply voltage and Device Sleep Mode support. · Manufacturer specification

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Advertised efficiency comparison

Samsung 990Up to 38% better sequential performance per watt than the 990 PRO (Samsung internal 2 TB test)

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · Samsung internal test: 990 at 1,686/1,697 MB/s per watt read/write versus 990 PRO at 1,221/1,254 MB/s per watt, 2 TB capacity, fio 3.28 on a Core Ultra 7 265K system. A manufacturer comparison, not a measured saving in any particular PC.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Queue support

Samsung 990Not verified

SK hynix Platinum P41Up to 256 queues; up to 1,024 queue depth for each queue

Sources

Samsung 990

No source recorded for this side.

SK hynix Platinum P41

Manufacturer specification · As listed under Special Features in the SK hynix specification table.

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Non-operating shock rating

Samsung 9901500 G; 0.5 ms; three axes

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · Manufacturer non-operating claim, not a device drop test.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Storage temperature

Samsung 990−40–85 °C

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · Non-operating range, distinct from operation.

Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published system-level power

Samsung 990Average read 4.3 W; average write 3.8 W

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · UK page 'Average Power Consumption (system level)'; actual power consumption may vary depending on system hardware and configuration.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Temperature sensor

Samsung 990Not verified

SK hynix Platinum P41Yes

Sources

Samsung 990

No source recorded for this side.

SK hynix Platinum P41

Manufacturer specification · SK hynix lists a temperature sensor reported through SMART Attributes Bytes 02:01h, under Special Features / Temperature Range Operation.

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Non-operating vibration rating

Samsung 99020 G; 20–2000 Hz

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · Manufacturer test range; results from different test protocols are not directly comparable.

Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Manufacturer application scope

Samsung 990Client PCs

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · Manufacturer application class; no enterprise or console installation guarantee.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page)

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

World Wide Name support

Samsung 990No

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · Product page states WWN is not supported.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features

SK hynix Platinum P41

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum drive weight

Samsung 9909 g

SK hynix Platinum P41Not verified

Sources

Samsung 990

Manufacturer specification · UK 2 TB specification maximum, not package mass or a measured sample.

Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features

SK hynix Platinum P41

SK hynix publishes the weight as "7.0±5%" with no unit, so the unit (and therefore the weight) is unknown. Not converted or assumed. · Manufacturer specification

SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

10 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Samsung 990

What it brings

Rated up to 7,250 MB/s sequential read and 6,450 MB/s sequential write, with up to 850K random read and 1.2 million random write IOPS at 2 TB.
Manufacturer source Manufacturer source
Samsung lists AES 256-bit encryption with TCG Opal 2.0 and IEEE 1667, a 3 mW PS4 sleep state, and Samsung Magician support for data transfer, drive health and firmware updates.
Manufacturer source Manufacturer source
Samsung claims up to 38% better sequential performance per watt than the 990 PRO in its own 2 TB test, and the drive is backward compatible with PCIe 3.0.
Manufacturer source Manufacturer source

What to check

The limited warranty is 3 years or 800 TB written, whichever comes first.
Manufacturer source Manufacturer source
Samsung specifies Host Memory Buffer caching and lists no onboard DRAM. Peak write figures use Intelligent TurboWrite, and no post-cache write speed is published.
Manufacturer source Manufacturer source
Capacities stop at 2 TB, and Samsung does not state the NAND cell type.
Manufacturer source

SK hynix Platinum P41

What it brings

Rated up to 7,000 MB/s sequential read and 6,500 MB/s sequential write, and up to 1,400K/1,300K random read/write IOPS at 2TB.
Manufacturer source
Single-sided M.2 2280 layout with a maximum height of 2.38 mm.
Manufacturer source
1,200 TBW endurance rating at 2TB with a five-year limited warranty, plus a 1.5 million hour MTBF rating.
Manufacturer source Manufacturer source Manufacturer source

What to check

A PCIe 4.0 NVMe drive using up to 4 lanes, with a rated ceiling of 7,000 MB/s sequential read; SK hynix states no PCIe 5.0 support or backward-compatibility behaviour.
Manufacturer source
SK hynix publishes no test conditions for its speed figures, and no active or idle power, DRAM cache or storage-temperature ratings, so those remain unknown here.
Manufacturer source
SK hynix lists AES 256-bit encryption with TCG Pyrite support; TCG Opal is not listed on its product page.
Manufacturer source

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Full specifications

How we verify

Differences only

48 of 48 specifications Sources in each row

Source-backed specifications for Samsung 990 and SK hynix Platinum P41
Specification	Samsung 990	SK hynix Platinum P41

Capacity Sources Samsung 990 Manufacturer specification · Decimal capacity (1 GB = 1 billion bytes, IDEMA); formatted usable space is lower. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · SK hynix lists a 2TB capacity option and does not state its byte definition; recorded as 2,000 GB assuming decimal terabytes. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	2000 GB	2000 GB
SSD / HDD Sources Samsung 990 Manufacturer specification Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 Manufacturer specification SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	SSD	SSD
Interface and version Sources Samsung 990 Manufacturer specification · Samsung states the 990 is backward compatible with PCIe 3.0. Host protocol and lane availability still determine actual operation. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · SK hynix lists "PCIe 4.0 NVMe, up to 4 lanes". SK hynix does not state backward compatibility or behaviour in other PCIe generations. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	PCIe 4.0 x4; NVMe	PCIe 4.0 x4; NVMe
Form factor Sources Samsung 990 Manufacturer specification Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	M.2 2280	M.2 2280 (single-sided)
Drive dimensionsDifferent Sources Samsung 990 Samsung lists these as maximum dimensions. This version has no factory heatsink. · Manufacturer specification · Samsung lists maximum width × height × depth for the bare module. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · As published by SK hynix (width × length × maximum height), single-sided bare drive. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	80.15 × 22.15 × 2.38 mm	(22.00 ± 0.15) × (80.00 ± 0.15) × (max. 2.38) mm
Earlier PCIe support Sources Samsung 990 Manufacturer specification · Data sheet footnote: backward compatible with PCIe 3.0. Host protocol and lane availability still determine actual operation and speed. Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	PCIe 3.0	Not provided
Factory heatsink Sources Samsung 990 Manufacturer specification · The UK specification lists a bare module with a maximum depth of 2.38 mm and no heatsink; the official gallery shows a bare module. A thermal label is not an enclosure. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 Manufacturer specification · SK hynix publishes a bare single-sided M.2 2280 drive with a maximum thickness of 2.38 mm; no heatsink variant is listed. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	No	No
Maximum drive weight Sources Samsung 990 Manufacturer specification · UK 2 TB specification maximum, not package mass or a measured sample. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 SK hynix publishes the weight as "7.0±5%" with no unit, so the unit (and therefore the weight) is unknown. Not converted or assumed. · Manufacturer specification SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	9 g	Not listed by the manufacturer

Rated performance and conditionsDifferent Sources Samsung 990 Manufacturer specification · Manufacturer up-to claims measured with IOmeter 1.1.0, Ryzen 9 7950X, ASRock X670E Taichi, 32 GB DDR5-4800 and Windows 11 Pro. Secondary drive in a fan-cooled desktop; writes use Intelligent TurboWrite within a specific transfer size. Firmware, host and workload affect results; Samsung does not list a post-cache write speed. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · SK hynix "up to" figures for the 2TB capacity. SK hynix publishes no test platform, queue depth, block size or drive-state conditions for these figures. Not our measurement. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	Up to 7250 MB/s sequential read; up to 6450 MB/s cached sequential write	Up to 7,000 MB/s sequential read; up to 6,500 MB/s sequential write
Rated sequential readDifferent Sources Samsung 990 Manufacturer specification · Manufacturer up-to claims measured with IOmeter 1.1.0, Ryzen 9 7950X, ASRock X670E Taichi, 32 GB DDR5-4800 and Windows 11 Pro. Secondary drive in a fan-cooled desktop; writes use Intelligent TurboWrite within a specific transfer size. Firmware, host and workload affect results; Samsung does not list a post-cache write speed. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · SK hynix "up to" figures for the 2TB capacity. SK hynix publishes no test platform, queue depth, block size or drive-state conditions for these figures. Not our measurement. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	7250 MB/s	7000 MB/s
Rated sequential writeDifferent Sources Samsung 990 Manufacturer specification · Manufacturer up-to claims measured with IOmeter 1.1.0, Ryzen 9 7950X, ASRock X670E Taichi, 32 GB DDR5-4800 and Windows 11 Pro. Secondary drive in a fan-cooled desktop; writes use Intelligent TurboWrite within a specific transfer size. Firmware, host and workload affect results; Samsung does not list a post-cache write speed. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · SK hynix "up to" figures for the 2TB capacity. SK hynix publishes no test platform, queue depth, block size or drive-state conditions for these figures. Not our measurement. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	6450 MB/s	6500 MB/s
Rated random readDifferent Sources Samsung 990 Manufacturer specification · Manufacturer up-to claim for the 2 TB column (queue depth and block size not stated in the datasheet). IOmeter 1.1.0, Ryzen 9 7950X / X670E Taichi, 32 GB DDR5-4800, Windows 11 Pro, fan-cooled secondary drive; write results use Intelligent TurboWrite. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · SK hynix up-to random read for 2TB (1,400K IOPS); block size and queue depth are not stated. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	850000 IOPS	1400000 IOPS
Rated random writeDifferent Sources Samsung 990 Manufacturer specification · Manufacturer up-to claim for the 2 TB column (queue depth and block size not stated in the datasheet). IOmeter 1.1.0, Ryzen 9 7950X / X670E Taichi, 32 GB DDR5-4800, Windows 11 Pro, fan-cooled secondary drive; write results use Intelligent TurboWrite. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · SK hynix up-to random write for 2TB (1,300K IOPS); block size and queue depth are not stated. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	1200000 IOPS	1300000 IOPS

NAND type Sources Samsung 990 Both reviewed exact technical sources say Samsung V-NAND without specifying the NAND cell type. TLC, QLC or another cell type is not established. Preserve the positive V-NAND technology separately. · Manufacturer specification Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	Not listed by the manufacturer	SK hynix 176-layer 3D TLC NAND
Cache arrangement Sources Samsung 990 Manufacturer specification Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	Host Memory Buffer (HMB)	Not provided
ControllerDifferent Sources Samsung 990 Manufacturer specification · Samsung does not give a codename, stepping or process node. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification SK hynix Newsroom — "SK hynix Launches PCIe 4.0 Platinum P41 SSD" (official press release)	Samsung in-house controller	SK hynix in-house "Aries" controller
Write-buffer technology Sources Samsung 990 Manufacturer specification · Manufacturer write caching is active for peak write claims and operates only within a specific data transfer size. Samsung does not list the buffer capacity or post-cache write speed for this 2 TB model. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	Intelligent TurboWrite	Not provided
NAND technology Sources Samsung 990 Manufacturer specification Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	Samsung V-NAND	Not provided

Warranty terms and endurance if applicableDifferent Sources Samsung 990 Manufacturer specification Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · The published warranty terms require proof of purchase and the certificate of authenticity supplied at purchase. The warranty page does not state that coverage ends on reaching the TBW rating; the TBW figure is the product-page endurance rating. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)SK hynix SSD — official five-year limited warranty terms	3 years or 800 TB written, whichever comes first; limited-warranty terms apply	Five-year limited warranty for the original purchaser; 1,200 TBW endurance rating at 2TB
Limited warranty timeDifferent Sources Samsung 990 Manufacturer specification · Time limit, not a lifespan prediction. Coverage also ends at the TBW threshold; eligibility and full terms apply. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification SK hynix SSD — official five-year limited warranty terms	3 years	5 years
Warranty write thresholdDifferent Sources Samsung 990 Manufacturer specification · Warranty write threshold for the 2 TB capacity (1 TB model: 400 TB), in compliance with JESD218; not a guaranteed failure point. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · SK hynix up-to TBW for the 2TB capacity. Not a guaranteed service life. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	800 TB	1200 TB
Manufacturer application scope Sources Samsung 990 Manufacturer specification · Manufacturer application class; no enterprise or console installation guarantee. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	Client PCs	Not provided
Manufacturer MTBF rating Sources Samsung 990 Manufacturer specification · Statistical manufacturer claim, not individual lifespan or guaranteed operating time. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · Manufacturer reliability rating; SK hynix's launch release states the P41 undergoes 1,000 hours of high-temperature operating life (HTOL) testing, where it achieved the 1.5 million hour MTBF. SK hynix also lists a bit error rate of 1 error in 10^15 bits transferred. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)SK hynix Newsroom — "SK hynix Launches PCIe 4.0 Platinum P41 SSD" (official press release)	1,500,000 hours	1.5 million hours

Hardware encryption supportDifferent Sources Samsung 990 Manufacturer specification · Listed security capabilities do not mean encryption is enabled or supported by every host. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · SK hynix lists "AES 256-bit Encryption, TCG Pyrite Supported". SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	AES-256; TCG Opal 2.0; IEEE 1667	AES 256-bit encryption; TCG Pyrite
TRIM support Sources Samsung 990 Manufacturer specification · Manufacturer requires operating-system support; the host path must also support it. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification · Listed as "Supported" under Special Features in the SK hynix specification table. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	Yes	Yes
S.M.A.R.T. support Sources Samsung 990 Manufacturer specification · Manufacturer monitoring capability, not a remaining-lifespan guarantee. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 Manufacturer specification · Listed as "Supported" under Special Features in the SK hynix specification table. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	Yes	Yes
Garbage collection Sources Samsung 990 Manufacturer specification · Internal function, not a measured performance uplift. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 Manufacturer specification · "GC (Garbage Collection)" listed as "Supported" under Special Features in the SK hynix specification table. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	Yes	Yes
Drive management softwareDifferent Sources Samsung 990 Manufacturer specification · UK feature block: data transfer, drive-health tracking and firmware updates. Check the current software version and its requirements. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 Manufacturer specification SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	Samsung Magician	SK hynix Drive Manager: Easy Kit (Windows 64-bit) and firmware update utility
Installation kit included Sources Samsung 990 Manufacturer specification · UK page says installation kit not available; no supplied screw or host heatsink is assumed. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 No source recorded.	No	Not provided
World Wide Name support Sources Samsung 990 Manufacturer specification · Product page states WWN is not supported. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 No source recorded.	No	Not provided
Device sleep support Sources Samsung 990 Manufacturer specification · The UK page lists device sleep mode support. Host support is required; device sleep is not the same as Modern Standby and gives no battery-life figure. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 Manufacturer specification · "Device Sleep Mode" listed as "Supported" under Special Features in the SK hynix specification table. No sleep-power figure is published. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	Yes	Yes
Included cloning software Sources Samsung 990 Manufacturer specification · The UK feature block says Magician can transfer data. Check software version, operating-system support and migration requirements. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 No source recorded.	Samsung Magician data transfer	Not provided

Published power conditions Sources Samsung 990 Manufacturer specification · 2 TB column. Active power measured with fio 3.28 on an Intel Core Ultra 7 265K / ASUS Maximus Z890 HERO / Ubuntu 22.04 system with 32 GB DDR5-4800, which differs from the speed test. These are not a constant everyday load. Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 SK hynix publishes no active, idle or sleep power figures for the Platinum P41; the specification table lists only the supply voltage and Device Sleep Mode support. · Manufacturer specification SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	4.3 W average active read; 3.8 W average active write; 55 mW PS3 idle (APST on); 3 mW PS4 (L1.2)	Not listed by the manufacturer
Published system-level power Sources Samsung 990 Manufacturer specification · UK page 'Average Power Consumption (system level)'; actual power consumption may vary depending on system hardware and configuration. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 No source recorded.	Average read 4.3 W; average write 3.8 W	Not provided
Operating temperatureDifferent Sources Samsung 990 Manufacturer specification · 0–70 °C is the S.M.A.R.T. operating temperature with airflow recommended, not an independent cooling measurement. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 Manufacturer specification SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	0–70 °C	0 °C to 70 °C
Storage temperature Sources Samsung 990 Manufacturer specification · Non-operating range, distinct from operation. Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	−40–85 °C	Not provided
Humidity range Sources Samsung 990 Manufacturer specification · Manufacturer specifies non-condensing conditions. This environmental range is not waterproofing or an IP rating. Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	5–95%	Not provided
Non-operating shock rating Sources Samsung 990 Manufacturer specification · Manufacturer non-operating claim, not a device drop test. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	1500 G; 0.5 ms; three axes	Not provided
Non-operating vibration rating Sources Samsung 990 Manufacturer specification · Manufacturer test range; results from different test protocols are not directly comparable. Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	20 G; 20–2000 Hz	Not provided
Allowable supply voltage Sources Samsung 990 Manufacturer specification · Product voltage range. Check the host slot is compatible. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 Manufacturer specification · Supply voltage as published in the SK hynix specification table (Voltage 3.3V±5%). SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	3.3 V ±5%	3.3 V ±5%
Advertised efficiency comparison Sources Samsung 990 Manufacturer specification · Samsung internal test: 990 at 1,686/1,697 MB/s per watt read/write versus 990 PRO at 1,221/1,254 MB/s per watt, 2 TB capacity, fio 3.28 on a Core Ultra 7 265K system. A manufacturer comparison, not a measured saving in any particular PC. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 No source recorded.	Up to 38% better sequential performance per watt than the 990 PRO (Samsung internal 2 TB test)	Not provided

NVMe interface protocol version Sources Samsung 990 Manufacturer specification Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 The reviewed exact manufacturer sources identify NVMe but do not state its protocol version. An omitted version does not establish a different version or missing NVMe support. · Manufacturer specification SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	2.0	Not listed by the manufacturer
Queue support Sources Samsung 990 No source recorded. SK hynix Platinum P41 Manufacturer specification · As listed under Special Features in the SK hynix specification table. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	Not provided	Up to 256 queues; up to 1,024 queue depth for each queue
Temperature sensor Sources Samsung 990 No source recorded. SK hynix Platinum P41 Manufacturer specification · SK hynix lists a temperature sensor reported through SMART Attributes Bytes 02:01h, under Special Features / Temperature Range Operation. SK hynix Platinum P41 SSD — official product page and specification table (500GB/1TB/2TB)	Not provided	Yes

Show unverified (4)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Rated random read, QD1 Sources Samsung 990 Samsung does not state this for this model. · Manufacturer specification · Samsung's 2 TB page and data sheet do not list QD1 results. Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	Not listed by the manufacturer	Not provided
Rated random write, QD1 Sources Samsung 990 Samsung does not state this for this model. · Manufacturer specification · Samsung's 2 TB page and data sheet do not list QD1 results. Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	Not listed by the manufacturer	Not provided
DRAM cache present Sources Samsung 990 Samsung does not state this for this model. · Manufacturer specification · Samsung's tables specify HMB and do not state whether onboard DRAM is present. Host memory buffering is not onboard DRAM. Samsung SSD 990 data sheet, revision 1.0 (linked from the UK MZ-V9V2T0BW page) SK hynix Platinum P41 No source recorded.	Not listed by the manufacturer	Not provided
Modern Standby support Sources Samsung 990 Samsung does not state this for this model. · Manufacturer specification · Samsung does not state Modern Standby support; device sleep is a separate feature. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features SK hynix Platinum P41 No source recorded.	Not listed by the manufacturer	Not provided

First product manufacturer source Second product manufacturer source

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