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MSI SPATIUM M371 vs Samsung 990

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

Compared products

YOUR FIRST CHOICE

MSI SPATIUM M371

2 TB · PCIe 3.0 NVMe M.2 2280 without heatsink

Full product profile Official image

Exact model & source notes

MSI's SPATIUM M371 is a PCIe 3.0 x4 NVMe 1.3 SSD in a bare 2.15 mm M.2 2280 module with a Phison E13T controller. The 2 TB version is rated up to 2,350 MB/s read and 1,900 MB/s write, lists 3.4 W maximum operating power and has a 5-year or 480 TB limited warranty.

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 MSI SPATIUM M371 for

Higher stated limited warranty time: 5 years vs 3 years

Choose the Samsung 990 for

Higher stated rated sequential read: 7,250 MB/s vs 2,350 MB/s
Higher stated rated sequential write: 6,450 MB/s vs 1,900 MB/s
Higher stated rated random 4K read: 850,000 IOPS vs 135,000 IOPS

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

See the 13 verified differences

THE CONTENDER

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

MSI SPATIUM M371 UK & US retailers

UK & US price history: no verified listing yet

Samsung 990 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

Interface and version

Check the exact configuration and source conditions for your use.

MSI SPATIUM M371PCIe 3.0 x4; NVMe 1.3

Manufacturer specification · MSI lists compatibility with PCIe Gen3, Gen2 and Gen1 hosts.

Source 1

Samsung 990PCIe 4.0 x4; NVMe

Manufacturer specification · Samsung states the 990 is backward compatible with PCIe 3.0. Host protocol and lane availability still determine actual operation.

Source 1 Source 2

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.

Interface and version

In Visual facts

MSI SPATIUM M371PCIe 3.0 x4; NVMe 1.3

Samsung 990PCIe 4.0 x4; NVMe

Sources

MSI SPATIUM M371

Manufacturer specification · MSI lists compatibility with PCIe Gen3, Gen2 and Gen1 hosts.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

Check the exact configuration and source conditions for your use.

Warranty write threshold

In Visual facts

MSI SPATIUM M371480 TB

Samsung 990800 TB

Sources

MSI SPATIUM M371

Manufacturer specification · 2 TB value (500 GB: 110; 1 TB: 210); not a guaranteed failure point. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

Check the exact configuration and source conditions for your use.

Limited warranty time

In Visual facts

MSI SPATIUM M3715 years

Samsung 9903 years

Sources

MSI SPATIUM M371

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

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

Check the exact configuration and source conditions for your use.

Controller

In Visual facts

MSI SPATIUM M371Phison E13T

Samsung 990Samsung in-house controller

Sources

MSI SPATIUM M371

Manufacturer specification

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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

Hardware encryption support

In Visual facts

MSI SPATIUM M371TCG Pyrite

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

Sources

MSI SPATIUM M371

Manufacturer specification · Listed as 'Pyrite (Encryption, Data Security)'. Listed security capabilities do not mean encryption is enabled or supported by every host.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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

MSI SPATIUM M371MSI Center

Samsung 990Samsung Magician

Sources

MSI SPATIUM M371

Manufacturer specification · MSI: monitors SSD health status and key performance metrics in real time.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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

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

Show 7 more verified differences

Rated performance and conditions

In Visual facts

MSI SPATIUM M371Up to 2350 MB/s sequential read; up to 1900 MB/s sequential write

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

Sources

MSI SPATIUM M371

Manufacturer specification · MSI up-to claims measured as a secondary drive on a 12th Gen Intel Core i7-12700KF / MSI PRO Z690-A WIFI DDR4 / Windows 11 Pro 21H2 system, using CrystalDiskMark, ATTO Disk Benchmark and IOmeter. MSI does not list a post-cache write speed. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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 read

MSI SPATIUM M3712350 MB/s

Samsung 9907250 MB/s

Sources

MSI SPATIUM M371

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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

MSI SPATIUM M3711900 MB/s

Samsung 9906450 MB/s

Sources

MSI SPATIUM M371

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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 4K read

MSI SPATIUM M371135000 IOPS

Samsung 990850000 IOPS

Sources

MSI SPATIUM M371

Manufacturer specification · MSI up-to 4 KB claim for 2 TB; queue depth not stated. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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 4K write

MSI SPATIUM M371350000 IOPS

Samsung 9901200000 IOPS

Sources

MSI SPATIUM M371

Manufacturer specification · MSI up-to 4 KB claim for 2 TB; queue depth not stated. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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

MSI SPATIUM M3715 years or 480 TB written, whichever comes first; limited-warranty terms apply

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

Sources

MSI SPATIUM M371

Manufacturer specification

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

Check the exact configuration and source conditions for your use.

Published power conditions

MSI SPATIUM M3713.4 W maximum operating; 30 mW PS3 idle; 5 mW L1.2

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

Sources

MSI SPATIUM M371

Manufacturer specification · 2 TB column for maximum power; idle and L1.2 values span all capacities; APST supported. Measured on MSI's stated test system; not a constant everyday load. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

Check the exact configuration and source conditions for your use.

Small physical differences (1)

Drive dimensions

MSI SPATIUM M37180 × 22 × 2.15 mm

Samsung 99080.15 × 22.15 × 2.38 mm

Sources

MSI SPATIUM M371

Manufacturer specification · Length × width × height of the bare module, all capacities.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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

Missing or non-comparable evidence (25)

DRAM cache present

MSI SPATIUM M371Not verified

Samsung 990Not verified

Sources

MSI SPATIUM M371

MSI does not state this for this model. · Manufacturer specification · Unlike MSI's DRAM-equipped models, the M371 data sheet has no DRAM Cache row; absence of a row is not recorded as confirmed absence of DRAM.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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

Cache arrangement

MSI SPATIUM M371Not verified

Samsung 990Host Memory Buffer (HMB)

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

NAND type

MSI SPATIUM M371Not verified

Samsung 990Not verified

Sources

MSI SPATIUM M371

MSI lists 3D NAND without stating the cell type · Manufacturer specification

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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

Included cloning software

MSI SPATIUM M371Not verified

Samsung 990Samsung Magician data transfer

Sources

MSI SPATIUM M371

No source recorded for this side.

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

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

Write-buffer technology

MSI SPATIUM M371Not verified

Samsung 990Intelligent TurboWrite

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

Rated random read, QD1

MSI SPATIUM M371Not verified

Samsung 990Not verified

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

Rated random write, QD1

MSI SPATIUM M371Not verified

Samsung 990Not verified

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

Device sleep support

MSI SPATIUM M371Not verified

Samsung 990Yes

Sources

MSI SPATIUM M371

No source recorded for this side.

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

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

Error correction support

MSI SPATIUM M371LDPC ECC; end-to-end data path protection

Samsung 990Not verified

Sources

MSI SPATIUM M371

Manufacturer specification

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

Samsung 990

No source recorded for this side.

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

Garbage collection

MSI SPATIUM M371Not verified

Samsung 990Yes

Sources

MSI SPATIUM M371

No source recorded for this side.

Samsung 990

Manufacturer specification · Internal function, not a measured performance uplift.

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

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

Humidity range

MSI SPATIUM M371Not verified

Samsung 9905–95%

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

Installation kit included

MSI SPATIUM M371Not verified

Samsung 990No

Sources

MSI SPATIUM M371

No source recorded for this side.

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

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

Earlier PCIe support

MSI SPATIUM M371Not verified

Samsung 990PCIe 3.0

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

Modern Standby support

MSI SPATIUM M371Not verified

Samsung 990Not verified

Sources

MSI SPATIUM M371

No source recorded for this side.

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

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

Manufacturer MTBF rating

MSI SPATIUM M371Up to 1,500,000 hours

Samsung 9901,500,000 hours

Sources

MSI SPATIUM M371

Manufacturer specification · Statistical manufacturer claim, not individual lifespan or guaranteed operating time.

MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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)

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

NAND technology

MSI SPATIUM M371Not verified

Samsung 990Samsung V-NAND

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

NVMe interface protocol version

MSI SPATIUM M371Not verified

Samsung 9902.0

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

Advertised efficiency comparison

MSI SPATIUM M371Not verified

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

Sources

MSI SPATIUM M371

No source recorded for this side.

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

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

Non-operating shock rating

MSI SPATIUM M371Not verified

Samsung 9901500 G; 0.5 ms; three axes

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

Allowable supply voltage

MSI SPATIUM M371Not verified

Samsung 9903.3 V ±5%

Sources

MSI SPATIUM M371

No source recorded for this side.

Samsung 990

Manufacturer specification · Product voltage range. Check the host slot is compatible.

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

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

Published system-level power

MSI SPATIUM M371Not verified

Samsung 990Average read 4.3 W; average write 3.8 W

Sources

MSI SPATIUM M371

No source recorded for this side.

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

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

Non-operating vibration rating

MSI SPATIUM M371Not verified

Samsung 99020 G; 20–2000 Hz

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

Manufacturer application scope

MSI SPATIUM M371Not verified

Samsung 990Client PCs

Sources

MSI SPATIUM M371

No source recorded for this side.

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)

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

World Wide Name support

MSI SPATIUM M371Not verified

Samsung 990No

Sources

MSI SPATIUM M371

No source recorded for this side.

Samsung 990

Manufacturer specification · Product page states WWN is not supported.

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

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

Maximum drive weight

MSI SPATIUM M371Not verified

Samsung 9909 g

Sources

MSI SPATIUM M371

No source recorded for this side.

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

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

8 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

MSI SPATIUM M371

What it brings

Works in PCIe 3.0, 2.0 and 1.0 M.2 NVMe hosts, with 3.4 W maximum operating power, 30 mW PS3 idle and 5 mW L1.2 at 2 TB.
Manufacturer source
The 5-year limited warranty covers up to 480 TB written at 2 TB, and MSI lists LDPC ECC, end-to-end data path protection and TCG Pyrite support.
Manufacturer source

What to check

As a PCIe 3.0 x4 drive it is rated at up to 2,350 MB/s read, 1,900 MB/s write and 135,000 random read IOPS at 2 TB.
Manufacturer source
The data sheet has no DRAM cache row and does not state the NAND cell type or a post-cache write speed.
Manufacturer source

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

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

47 of 47 specifications Sources in each row

Source-backed specifications for MSI SPATIUM M371 and Samsung 990
Specification	MSI SPATIUM M371	Samsung 990

Capacity Sources MSI SPATIUM M371 Manufacturer specification · Manufacturer-listed 2 TB capacity; formatted usable space is lower. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	2000 GB	2000 GB
SSD / HDD Sources MSI SPATIUM M371 Manufacturer specification MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) Samsung 990 Manufacturer specification Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features	SSD	SSD
Interface and versionDifferent Sources MSI SPATIUM M371 Manufacturer specification · MSI lists compatibility with PCIe Gen3, Gen2 and Gen1 hosts. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	PCIe 3.0 x4; NVMe 1.3	PCIe 4.0 x4; NVMe
Form factor Sources MSI SPATIUM M371 Manufacturer specification MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	M.2 2280	M.2 2280
Drive dimensionsDifferent Sources MSI SPATIUM M371 Manufacturer specification · Length × width × height of the bare module, all capacities. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	80 × 22 × 2.15 mm	80.15 × 22.15 × 2.38 mm
Factory heatsink Sources MSI SPATIUM M371 Manufacturer specification · The data sheet lists a 2.15 mm-high bare module and no heatsink. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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	No	No
Earlier PCIe support Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	PCIe 3.0
Maximum drive weight Sources MSI SPATIUM M371 No source recorded. 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	Not provided	9 g

Rated performance and conditionsDifferent Sources MSI SPATIUM M371 Manufacturer specification · MSI up-to claims measured as a secondary drive on a 12th Gen Intel Core i7-12700KF / MSI PRO Z690-A WIFI DDR4 / Windows 11 Pro 21H2 system, using CrystalDiskMark, ATTO Disk Benchmark and IOmeter. MSI does not list a post-cache write speed. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	Up to 2350 MB/s sequential read; up to 1900 MB/s sequential write	Up to 7250 MB/s sequential read; up to 6450 MB/s cached sequential write
Rated sequential readDifferent Sources MSI SPATIUM M371 Manufacturer specification · MSI up-to claims measured as a secondary drive on a 12th Gen Intel Core i7-12700KF / MSI PRO Z690-A WIFI DDR4 / Windows 11 Pro 21H2 system, using CrystalDiskMark, ATTO Disk Benchmark and IOmeter. MSI does not list a post-cache write speed. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	2350 MB/s	7250 MB/s
Rated sequential writeDifferent Sources MSI SPATIUM M371 Manufacturer specification · MSI up-to claims measured as a secondary drive on a 12th Gen Intel Core i7-12700KF / MSI PRO Z690-A WIFI DDR4 / Windows 11 Pro 21H2 system, using CrystalDiskMark, ATTO Disk Benchmark and IOmeter. MSI does not list a post-cache write speed. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	1900 MB/s	6450 MB/s
Rated random 4K readDifferent Sources MSI SPATIUM M371 Manufacturer specification · MSI up-to 4 KB claim for 2 TB; queue depth not stated. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	135000 IOPS	850000 IOPS
Rated random 4K writeDifferent Sources MSI SPATIUM M371 Manufacturer specification · MSI up-to 4 KB claim for 2 TB; queue depth not stated. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	350000 IOPS	1200000 IOPS

ControllerDifferent Sources MSI SPATIUM M371 Manufacturer specification MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	Phison E13T	Samsung in-house controller
Cache arrangement Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	Host Memory Buffer (HMB)
Write-buffer technology Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	Intelligent TurboWrite
NAND technology Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	Samsung V-NAND

Warranty terms and endurance if applicableDifferent Sources MSI SPATIUM M371 Manufacturer specification MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	5 years or 480 TB written, whichever comes first; limited-warranty terms apply	3 years or 800 TB written, whichever comes first; limited-warranty terms apply
Limited warranty timeDifferent Sources MSI SPATIUM M371 Manufacturer specification · Time limit, not a lifespan prediction. Coverage also ends at the TBW threshold; eligibility and full terms apply. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	5 years	3 years
Warranty write thresholdDifferent Sources MSI SPATIUM M371 Manufacturer specification · 2 TB value (500 GB: 110; 1 TB: 210); not a guaranteed failure point. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	480 TB	800 TB
Manufacturer MTBF rating Sources MSI SPATIUM M371 Manufacturer specification · Statistical manufacturer claim, not individual lifespan or guaranteed operating time. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	Up to 1,500,000 hours	1,500,000 hours
Manufacturer application scope Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	Client PCs

Hardware encryption supportDifferent Sources MSI SPATIUM M371 Manufacturer specification · Listed as 'Pyrite (Encryption, Data Security)'. Listed security capabilities do not mean encryption is enabled or supported by every host. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	TCG Pyrite	AES-256; TCG Opal 2.0; IEEE 1667
TRIM support Sources MSI SPATIUM M371 Manufacturer specification · Manufacturer requires operating-system support. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	Yes	Yes
S.M.A.R.T. support Sources MSI SPATIUM M371 Manufacturer specification · Manufacturer monitoring capability, not a remaining-lifespan guarantee. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) Samsung 990 Manufacturer specification · Manufacturer monitoring capability, not a remaining-lifespan guarantee. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features	Yes	Yes
Error correction support Sources MSI SPATIUM M371 Manufacturer specification MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) Samsung 990 No source recorded.	LDPC ECC; end-to-end data path protection	Not provided
Drive management softwareDifferent Sources MSI SPATIUM M371 Manufacturer specification · MSI: monitors SSD health status and key performance metrics in real time. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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	MSI Center	Samsung Magician
Garbage collection Sources MSI SPATIUM M371 No source recorded. Samsung 990 Manufacturer specification · Internal function, not a measured performance uplift. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features	Not provided	Yes
Installation kit included Sources MSI SPATIUM M371 No source recorded. 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	Not provided	No
World Wide Name support Sources MSI SPATIUM M371 No source recorded. Samsung 990 Manufacturer specification · Product page states WWN is not supported. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features	Not provided	No
Device sleep support Sources MSI SPATIUM M371 No source recorded. 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	Not provided	Yes
Included cloning software Sources MSI SPATIUM M371 No source recorded. 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	Not provided	Samsung Magician data transfer

Published power conditionsDifferent Sources MSI SPATIUM M371 Manufacturer specification · 2 TB column for maximum power; idle and L1.2 values span all capacities; APST supported. Measured on MSI's stated test system; not a constant everyday load. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	3.4 W maximum operating; 30 mW PS3 idle; 5 mW L1.2	4.3 W average active read; 3.8 W average active write; 55 mW PS3 idle (APST on); 3 mW PS4 (L1.2)
Operating temperature Sources MSI SPATIUM M371 Manufacturer specification · Manufacturer operating range; not a measured temperature under a particular workload. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	0–70 °C	0–70 °C
Storage temperature Sources MSI SPATIUM M371 Manufacturer specification · Non-operating range, distinct from operation. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	−40–85 °C	−40–85 °C
Published system-level power Sources MSI SPATIUM M371 No source recorded. 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	Not provided	Average read 4.3 W; average write 3.8 W
Humidity range Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	5–95%
Non-operating shock rating Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	1500 G; 0.5 ms; three axes
Non-operating vibration rating Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	20 G; 20–2000 Hz
Allowable supply voltage Sources MSI SPATIUM M371 No source recorded. Samsung 990 Manufacturer specification · Product voltage range. Check the host slot is compatible. Samsung 990 — exact UK 2 TB MZ-V9V2T0BW specifications and features	Not provided	3.3 V ±5%
Advertised efficiency comparison Sources MSI SPATIUM M371 No source recorded. 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	Not provided	Up to 38% better sequential performance per watt than the 990 PRO (Samsung internal 2 TB test)

NVMe interface protocol version Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	2.0

Show unverified (5)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
NAND type Sources MSI SPATIUM M371 MSI lists 3D NAND without stating the cell type · Manufacturer specification MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	Not listed by the manufacturer	Not listed by the manufacturer
DRAM cache present Sources MSI SPATIUM M371 MSI does not state this for this model. · Manufacturer specification · Unlike MSI's DRAM-equipped models, the M371 data sheet has no DRAM Cache row; absence of a row is not recorded as confirmed absence of DRAM. MSI SPATIUM M371 NVMe M.2 data sheet (global, 500 GB to 2 TB) 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)	Not listed by the manufacturer	Not listed by the manufacturer
Rated random read, QD1 Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	Not listed by the manufacturer
Rated random write, QD1 Sources MSI SPATIUM M371 No source recorded. 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)	Not provided	Not listed by the manufacturer
Modern Standby support Sources MSI SPATIUM M371 No source recorded. 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	Not provided	Not listed by the manufacturer

First product manufacturer source Second product manufacturer source

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