Average Bench: 224% (67th of 1040)

more Based on 51,834 user benchmarks.  Models: SAMSUNG MZVLB512HAJQ-000L2, SAMSUNG MZVLB512HAJQ-000L7, PM981 NVMe Samsung 512GB, NVMe SAMSUNG MZVLB512, SAMSUNG MZVLB512HAJQ-00000, NVMe PM981 NVMe Samsu

Outstanding average bench

The Samsung PM981 NVMe PCIe M.2 512GB averaged 124.3% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM981 NVMe PCIe M.2 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 913MB/s
Avg. 4K-64Thread Read Speed 1,025MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung PM981 NVMe PCIe M.2 512GB is 152%. This is a particularly wide range which indicates that the Samsung PM981 NVMe PCIe M.2 512GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 666MB/s
Avg. 4K Random Write Speed 117MB/s

Average Bench

(Based on 51,834 samples)
Min Avg Max
761 Read 1,734 2,355
734 Write 1,534 2,014
620 Mixed 1,173 1,618
370 SusWrite 666 857
285% 1,277 MB/s
Min Avg Max
33.5 4K Read 55.2 66.9
61.4 4K Write 117 176
38.8 4K Mixed 70.4 91.5
236% 80.9 MB/s
Min Avg Max
373 DQ Read 1,025 1,489
230 DQ Write 818 1,260
317 DQ Mixed 913 1,338
686% 919 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
272GB free (System drive)
Firmware: EXA7301Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 709 653 639 636 640 637 MB/s
Read 1,500
Write 1,371
Mixed 1,234
SusWrite 652
267% 1,189 MB/s
4K Read 65.1
4K Write 148
4K Mixed 87.2
289% 100 MB/s
DQ Read 1,217
DQ Write 1,087
DQ Mixed 1,146
861% 1,150 MB/s
355GB free (System drive)
Firmware: EXA7301Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 448 464 455 448 458 456 MB/s
Read 572
Write 413
Mixed 468
SusWrite 455
107% 477 MB/s
4K Read 58.2
4K Write 109
4K Mixed 74.6
241% 80.5 MB/s
DQ Read 842
DQ Write 530
DQ Mixed 971
647% 781 MB/s
51,834 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 38,047,896 SSDs tested.

Typical PM981 NVMe PCIe M.2 512GB Builds (Compare 4,541 builds) See popular component choices, score breakdowns and rankings.
Gaming 13%
Tree trunk
Desktop 75%
Workstation 12%
Tree trunk

System: Razer Blade


Popular PM981 NVMe PCIe M.2 512GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) January 2021 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.


Added n/a ago.


2 years ago.

the best money can buy, once mated with Samsung NVMe drivers


2 months ago.

trash prebuild gaming pc and that SSD is overprice to buy..


3 months ago.

userbenchmark has the big gaeeeeeeeeeeeeeeeeeee


8 months ago.

There is a device that is successful according to the price.

1040 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-10600K $257Nvidia RTX 3060-Ti $400Crucial MX500 250GB $47
Intel Core i5-9600K $200Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10400F $161Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $40
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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