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MSI SPATIUM M461 vs MSI SPATIUM M480

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

Compared products

YOUR FIRST CHOICE

MSI SPATIUM M461

2 TB · PCIe 4.0 NVMe M.2 2280 without heatsink

Full product profile Official image

Exact model & source notes

MSI's SPATIUM M461 is a PCIe 4.0 x4 NVMe 1.4 SSD in a bare 2.15 mm M.2 2280 module with a Phison E21T controller. The 2 TB version is rated up to 5,000 MB/s read and 4,200 MB/s write, lists 4.4 W maximum operating power and has a 5-year or 450 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 M461 for

Higher stated rated random 4K read: 680,000 IOPS vs 650,000 IOPS
Higher stated rated random 4K write: 880,000 IOPS vs 700,000 IOPS

Choose the M480 for

Higher stated rated sequential read: 7,000 MB/s vs 5,000 MB/s
Higher stated rated sequential write: 6,800 MB/s vs 4,200 MB/s
Higher stated warranty write threshold: 1,400 TB vs 450 TB

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

See the 11 verified differences

THE CONTENDER

MSI SPATIUM M480

2 TB · PCIe 4.0 NVMe M.2 2280 without heatsink

Full product profile Official image

Exact model & source notes

MSI's SPATIUM M480 is a PCIe 4.0 x4 NVMe 1.4 SSD in a bare 2.15 mm M.2 2280 module with a Phison E18 controller and DDR4 cache. The 2 TB version is rated up to 7,000 MB/s read and 6,800 MB/s write and has a 5-year or 1,400 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

M461 UK & US retailers

UK & US price history: no verified listing yet

M480 UK & US retailers

UK & US price history: no verified listing yet

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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.

MSI SPATIUM M461450 TB

Manufacturer specification · 2 TB value (500 GB: 110; 1 TB: 250; 4 TB: 900); not a guaranteed failure point. The data sheet lists 500GB, 1TB, 2TB and 4TB columns in that order; a single value spans all capacities.

Source 1

MSI SPATIUM M4801,400 TB

Manufacturer specification · 2 TB value (500 GB: 350; 1 TB: 700); not a guaranteed failure point. The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities.

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 ↓

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

Warranty write threshold

In Visual facts

MSI SPATIUM M461450 TB

MSI SPATIUM M4801400 TB

Sources

MSI SPATIUM M461

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

Manufacturer specification · 2 TB value (500 GB: 350; 1 TB: 700); 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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

Check the exact configuration and source conditions for your use.

Controller

In Visual facts

MSI SPATIUM M461Phison E21T

MSI SPATIUM M480Phison E18

Sources

MSI SPATIUM M461

Manufacturer specification

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

Manufacturer specification

MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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 M461TCG Pyrite

MSI SPATIUM M480AES-256; TCG Pyrite

Sources

MSI SPATIUM M461

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

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

Manufacturer specification · Listed as 'AES256/Pyrite (Encryption, Data Security)'. Listed security capabilities do not mean encryption is enabled or supported by every host.

MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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

Rated performance and conditions

In Visual facts

MSI SPATIUM M461Up to 5000 MB/s sequential read; up to 4200 MB/s sequential write

MSI SPATIUM M480Up to 7000 MB/s sequential read; up to 6800 MB/s sequential write

Sources

MSI SPATIUM M461

Manufacturer specification · MSI up-to claims measured as a secondary drive on a 13th Gen Intel Core i9-13900F / MSI MPG Z790 CARBON WIFI / Windows 11 Pro 22H2 system, using CrystalDiskMark, ATTO Disk Benchmark and IOmeter. MSI does not list a post-cache write speed. The data sheet lists 500GB, 1TB, 2TB and 4TB columns in that order; a single value spans all capacities.

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

Manufacturer specification · MSI up-to claims measured as a secondary drive on AMD Ryzen 9 7950X / MSI MEG X670E ACE / 32 GB DDR5-4800 / Windows 11 Pro 22H2 with CrystalDiskMark 8.04c, ATTO Disk Benchmark 4.01.0f1 and IOmeter 1.1.0. 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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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

In Visual facts

MSI SPATIUM M4615000 MB/s

MSI SPATIUM M4807000 MB/s

Sources

MSI SPATIUM M461

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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

In Visual facts

MSI SPATIUM M4614200 MB/s

MSI SPATIUM M4806800 MB/s

Sources

MSI SPATIUM M461

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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 5 more verified differences

Rated random 4K read

In Visual facts

MSI SPATIUM M461680000 IOPS

MSI SPATIUM M480650000 IOPS

Sources

MSI SPATIUM M461

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

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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 M461880000 IOPS

MSI SPATIUM M480700000 IOPS

Sources

MSI SPATIUM M461

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

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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 M4615 years or 450 TB written, whichever comes first; limited-warranty terms apply

MSI SPATIUM M4805 years or 1400 TB written, whichever comes first; limited-warranty terms apply

Sources

MSI SPATIUM M461

Manufacturer specification

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

Manufacturer specification

MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

Check the exact configuration and source conditions for your use.

Manufacturer MTBF rating

MSI SPATIUM M461Up to 1,500,000 hours

MSI SPATIUM M480Up to 1,600,000 hours

Sources

MSI SPATIUM M461

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

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

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

MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

Check the exact configuration and source conditions for your use.

Published power conditions

MSI SPATIUM M4614.4 W maximum operating; 50 mW PS3 idle; 5 mW L1.2

MSI SPATIUM M4808.2 W maximum operating; 22 mW PS3 idle; 3 mW L1.2

Sources

MSI SPATIUM M461

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, 2TB and 4TB columns in that order; a single value spans all capacities.

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

Manufacturer specification · 2 TB column; APST (Autonomous Power State Transition) 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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

Check the exact configuration and source conditions for your use.

Missing or non-comparable evidence (3)

DRAM cache present

MSI SPATIUM M461Not verified

MSI SPATIUM M480Yes

Sources

MSI SPATIUM M461

MSI does not state this for this model. · Manufacturer specification · Unlike MSI's DRAM-equipped models, the M461 data sheet has no DRAM Cache row; absence of a row is not recorded as confirmed absence of DRAM.

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

Manufacturer specification

MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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

DRAM cache capacity

MSI SPATIUM M461Not verified

MSI SPATIUM M4802 GB

Sources

MSI SPATIUM M461

No source recorded for this side.

MSI SPATIUM M480

Manufacturer specification · 2 GB DDR4 for the 2 TB model (500 GB: 512 MB; 1 TB: 1 GB). The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities.

MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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

NAND type

MSI SPATIUM M461Not verified

MSI SPATIUM M480Not verified

Sources

MSI SPATIUM M461

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

MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB)

MSI SPATIUM M480

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

MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)

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

13 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

MSI SPATIUM M461

What it brings

Rated up to 5,000 MB/s sequential read, 4,200 MB/s sequential write, 680,000 random read and 880,000 random write IOPS at 2 TB.
Manufacturer source
MSI lists 4.4 W maximum operating power, 50 mW PS3 idle and 5 mW L1.2, plus LDPC ECC, end-to-end data path protection and TCG Pyrite support.
Manufacturer source

What to check

The 2 TB model's warranty write limit is 450 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

MSI SPATIUM M480

What it brings

Rated up to 7,000 MB/s sequential read and 6,800 MB/s sequential write at 2 TB, with a 2 GB DDR4 DRAM cache.
Manufacturer source
Lists LDPC ECC, end-to-end data path protection and AES-256/Pyrite support, with a 1,400 TB warranty write limit and 22 mW PS3 idle power at 2 TB.
Manufacturer source

What to check

Random ratings at 2 TB are 650,000 read and 700,000 write IOPS, and maximum operating power is 8.2 W.
Manufacturer source
MSI lists 3D NAND without stating the cell type, and gives no post-cache write speed.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

27 of 27 specifications Sources in each row

Source-backed specifications for MSI SPATIUM M461 and MSI SPATIUM M480
Specification	MSI SPATIUM M461	MSI SPATIUM M480

Capacity Sources MSI SPATIUM M461 Manufacturer specification · Manufacturer-listed 2 TB capacity; formatted usable space is lower. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · Manufacturer-listed 2 TB capacity; formatted usable space is lower. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	2000 GB	2000 GB
SSD / HDD Sources MSI SPATIUM M461 Manufacturer specification MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	SSD	SSD
Interface and version Sources MSI SPATIUM M461 Manufacturer specification · MSI lists compatibility with PCIe Gen4, Gen3, Gen2 and Gen1 hosts; earlier generations limit speed. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · MSI lists compatibility with PCIe Gen4, Gen3, Gen2 and Gen1 hosts; earlier generations limit speed. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	PCIe 4.0 x4; NVMe 1.4	PCIe 4.0 x4; NVMe 1.4
Form factor Sources MSI SPATIUM M461 Manufacturer specification MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	M.2 2280	M.2 2280
Drive dimensions Sources MSI SPATIUM M461 Manufacturer specification · Length × width × height of the bare module, all capacities. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · Length × width × height of the bare module, all capacities. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	80 × 22 × 2.15 mm	80 × 22 × 2.15 mm
Factory heatsink Sources MSI SPATIUM M461 Manufacturer specification · The data sheet lists a 2.15 mm-high bare module and no heatsink. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · The data sheet lists a 2.15 mm-high bare module and no heatsink for this product. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	No	No

Rated performance and conditionsDifferent Sources MSI SPATIUM M461 Manufacturer specification · MSI up-to claims measured as a secondary drive on a 13th Gen Intel Core i9-13900F / MSI MPG Z790 CARBON WIFI / Windows 11 Pro 22H2 system, using CrystalDiskMark, ATTO Disk Benchmark and IOmeter. MSI does not list a post-cache write speed. The data sheet lists 500GB, 1TB, 2TB and 4TB columns in that order; a single value spans all capacities. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · MSI up-to claims measured as a secondary drive on AMD Ryzen 9 7950X / MSI MEG X670E ACE / 32 GB DDR5-4800 / Windows 11 Pro 22H2 with CrystalDiskMark 8.04c, ATTO Disk Benchmark 4.01.0f1 and IOmeter 1.1.0. 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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	Up to 5000 MB/s sequential read; up to 4200 MB/s sequential write	Up to 7000 MB/s sequential read; up to 6800 MB/s sequential write
Rated sequential readDifferent Sources MSI SPATIUM M461 Manufacturer specification · MSI up-to claims measured as a secondary drive on a 13th Gen Intel Core i9-13900F / MSI MPG Z790 CARBON WIFI / Windows 11 Pro 22H2 system, using CrystalDiskMark, ATTO Disk Benchmark and IOmeter. MSI does not list a post-cache write speed. The data sheet lists 500GB, 1TB, 2TB and 4TB columns in that order; a single value spans all capacities. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · MSI up-to claims measured as a secondary drive on AMD Ryzen 9 7950X / MSI MEG X670E ACE / 32 GB DDR5-4800 / Windows 11 Pro 22H2 with CrystalDiskMark 8.04c, ATTO Disk Benchmark 4.01.0f1 and IOmeter 1.1.0. 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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	5000 MB/s	7000 MB/s
Rated sequential writeDifferent Sources MSI SPATIUM M461 Manufacturer specification · MSI up-to claims measured as a secondary drive on a 13th Gen Intel Core i9-13900F / MSI MPG Z790 CARBON WIFI / Windows 11 Pro 22H2 system, using CrystalDiskMark, ATTO Disk Benchmark and IOmeter. MSI does not list a post-cache write speed. The data sheet lists 500GB, 1TB, 2TB and 4TB columns in that order; a single value spans all capacities. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · MSI up-to claims measured as a secondary drive on AMD Ryzen 9 7950X / MSI MEG X670E ACE / 32 GB DDR5-4800 / Windows 11 Pro 22H2 with CrystalDiskMark 8.04c, ATTO Disk Benchmark 4.01.0f1 and IOmeter 1.1.0. 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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	4200 MB/s	6800 MB/s
Rated random 4K readDifferent Sources MSI SPATIUM M461 Manufacturer specification · MSI up-to 4 KB claim for 2 TB; queue depth not stated. The data sheet lists 500GB, 1TB, 2TB and 4TB columns in that order; a single value spans all capacities. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	680000 IOPS	650000 IOPS
Rated random 4K writeDifferent Sources MSI SPATIUM M461 Manufacturer specification · MSI up-to 4 KB claim for 2 TB; queue depth not stated. The data sheet lists 500GB, 1TB, 2TB and 4TB columns in that order; a single value spans all capacities. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	880000 IOPS	700000 IOPS

ControllerDifferent Sources MSI SPATIUM M461 Manufacturer specification MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	Phison E21T	Phison E18
DRAM cache present Sources MSI SPATIUM M461 MSI does not state this for this model. · Manufacturer specification · Unlike MSI's DRAM-equipped models, the M461 data sheet has no DRAM Cache row; absence of a row is not recorded as confirmed absence of DRAM. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	Not listed by the manufacturer	Yes
DRAM cache capacity Sources MSI SPATIUM M461 No source recorded. MSI SPATIUM M480 Manufacturer specification · 2 GB DDR4 for the 2 TB model (500 GB: 512 MB; 1 TB: 1 GB). The data sheet lists 500GB, 1TB and 2TB columns in that order; a single value spans all capacities. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	Not provided	2 GB

Warranty terms and endurance if applicableDifferent Sources MSI SPATIUM M461 Manufacturer specification MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	5 years or 450 TB written, whichever comes first; limited-warranty terms apply	5 years or 1400 TB written, whichever comes first; limited-warranty terms apply
Limited warranty time Sources MSI SPATIUM M461 Manufacturer specification · Time limit, not a lifespan prediction. Coverage also ends at the TBW threshold; eligibility and full terms apply. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · Time limit, not a lifespan prediction. Coverage also ends at the TBW threshold; eligibility and full terms apply. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	5 years	5 years
Warranty write thresholdDifferent Sources MSI SPATIUM M461 Manufacturer specification · 2 TB value (500 GB: 110; 1 TB: 250; 4 TB: 900); not a guaranteed failure point. The data sheet lists 500GB, 1TB, 2TB and 4TB columns in that order; a single value spans all capacities. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · 2 TB value (500 GB: 350; 1 TB: 700); 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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	450 TB	1400 TB
Manufacturer MTBF ratingDifferent Sources MSI SPATIUM M461 Manufacturer specification · Statistical manufacturer claim, not individual lifespan or guaranteed operating time. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · Statistical manufacturer claim, not individual lifespan or guaranteed operating time. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	Up to 1,500,000 hours	Up to 1,600,000 hours

Hardware encryption supportDifferent Sources MSI SPATIUM M461 Manufacturer specification · Listed as 'Pyrite (Encryption, Data Security)'. Listed security capabilities do not mean encryption is enabled or supported by every host. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · Listed as 'AES256/Pyrite (Encryption, Data Security)'. Listed security capabilities do not mean encryption is enabled or supported by every host. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	TCG Pyrite	AES-256; TCG Pyrite
TRIM support Sources MSI SPATIUM M461 Manufacturer specification · Manufacturer requires operating-system support. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · Manufacturer requires operating-system support. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	Yes	Yes
S.M.A.R.T. support Sources MSI SPATIUM M461 Manufacturer specification · Manufacturer monitoring capability, not a remaining-lifespan guarantee. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · Manufacturer monitoring capability, not a remaining-lifespan guarantee. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	Yes	Yes
Error correction support Sources MSI SPATIUM M461 Manufacturer specification MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	LDPC ECC; end-to-end data path protection	LDPC ECC; end-to-end data path protection
Drive management software Sources MSI SPATIUM M461 Manufacturer specification · MSI: monitors SSD health status and key performance metrics in real time. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · MSI: monitors SSD health status and key performance metrics in real time. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	MSI Center	MSI Center

Published power conditionsDifferent Sources MSI SPATIUM M461 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, 2TB and 4TB columns in that order; a single value spans all capacities. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · 2 TB column; APST (Autonomous Power State Transition) 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 M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	4.4 W maximum operating; 50 mW PS3 idle; 5 mW L1.2	8.2 W maximum operating; 22 mW PS3 idle; 3 mW L1.2
Operating temperature Sources MSI SPATIUM M461 Manufacturer specification · Manufacturer operating range; not a measured temperature under a particular workload. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · Manufacturer operating range; not a measured temperature under a particular workload. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	0–70 °C	0–70 °C
Storage temperature Sources MSI SPATIUM M461 Manufacturer specification · Non-operating range, distinct from operation. MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 Manufacturer specification · Non-operating range, distinct from operation. MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	−40–85 °C	−40–85 °C

Show unverified (1)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 M461 MSI lists 3D NAND without stating the cell type · Manufacturer specification MSI SPATIUM M461 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 4 TB) MSI SPATIUM M480 MSI lists 3D NAND without stating the cell type · Manufacturer specification MSI SPATIUM M480 PCIe 4.0 NVMe M.2 data sheet (global, 500 GB to 2 TB)	Not listed by the manufacturer	Not listed by the manufacturer

First product manufacturer source Second product manufacturer source

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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.