Average Bench: 215% (78th of 1058)

more Based on 61,207 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 115.1% 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 837MB/s
Avg. 4K-64Thread Read Speed 959MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung PM981 NVMe PCIe M.2 512GB is 150%. 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 650MB/s
Avg. 4K Random Write Speed 110MB/s

Average Bench

(Based on 61,207 samples)
Min Avg Max
708 Read 1,698 2,342
588 Write 1,490 2,070
548 Mixed 1,135 1,588
312 SusWrite 650 859
278% 1,243 MB/s
Min Avg Max
29.5 4K Read 54.2 66.5
49.9 4K Write 110 169
34.2 4K Mixed 67 88.6
226% 77.1 MB/s
Min Avg Max
325 DQ Read 959 1,472
164 DQ Write 731 1,234
217 DQ Mixed 837 1313
628% 842 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
431GB free (System drive)
Firmware: EXF7102Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1473 1148 825 822 826 828 MB/s
Read 1,863
Write 2,279
Mixed 1,412
SusWrite 987
368% 1,635 MB/s
4K Read 61.3
4K Write 100
4K Mixed 73.3
240% 78.3 MB/s
DQ Read 1101
DQ Write 784
DQ Mixed 927
697% 937 MB/s
417GB free (System drive)
Firmware: 5L1QEXA7 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1728 783 590 594 598 603 MB/s
Read 2,268
Write 1,847
Mixed 1,520
SusWrite 816
360% 1,613 MB/s
4K Read 52.1
4K Write 119
4K Mixed 73.3
236% 81.6 MB/s
DQ Read 861
DQ Write 613
DQ Mixed 775
568% 750 MB/s
192GB free (System drive)
Firmware: 5L2QEXA7 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 664 504 523 533 503 526 MB/s
Read 1,977
Write 1,446
Mixed 1,143
SusWrite 542
284% 1,277 MB/s
4K Read 42.4
4K Write 60.4
4K Mixed 47.3
157% 50 MB/s
DQ Read 51.5
DQ Write 78.7
DQ Mixed 59.7
47% 63.3 MB/s
107GB free (System drive)
Firmware: 5L2QEXA7 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 604 400 389 388 362 252 MB/s
Read 1,061
Write 1,241
Mixed 904
SusWrite 399
202% 901 MB/s
4K Read 50.2
4K Write 83.3
4K Mixed 62.3
200% 65.3 MB/s
DQ Read 689
DQ Write 229
DQ Mixed 406
314% 441 MB/s
61,207 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,554,458 SSDs tested.

Typical PM981 NVMe PCIe M.2 512GB Builds (Compare 6,035 builds) See popular component choices, score breakdowns and rankings.
Gaming 13%
Tree trunk
Desktop 74%
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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Solid State Drive Rankings (Price vs Performance) August 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.


3 years ago.

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


8 months ago.

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


9 months ago.

userbenchmark has the big gaeeeeeeeeeeeeeeeeeee


15 months ago.

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

1058 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 i5-11600K $270Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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