Average Bench: 169% (121st of 1058)

Based on 1,650 user benchmarks.  Model: NVMe SAMSUNG MZVPV128

Outstanding average bench

The Samsung SM951 NVMe PCIe M.2 128GB averaged 69.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SM951 NVMe PCIe M.2 128GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 323MB/s
Avg. 4K-64Thread Read Speed 888MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 NVMe PCIe M.2 128GB is 106%. This is a particularly wide range which indicates that the Samsung SM951 NVMe PCIe M.2 128GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 381MB/s
Avg. 4K-64Thread Write Speed 198MB/s

Average Bench

(Based on 1,650 samples)
Min Avg Max
883 Read 1,527 1,932
86.6 Write 516 667
187 Mixed 525 704
57.1 SusWrite 381 645
162% 737 MB/s
Min Avg Max
29 4K Read 59.7 57.4
10.3 4K Write 110 166
9.29 4K Mixed 45.5 58.4
207% 71.8 MB/s
Min Avg Max
310 DQ Read 888 1,104
98.7 DQ Write 198 264
120 DQ Mixed 323 413
294% 469 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
57GB free (System drive)
Firmware: 6L0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 21 24 23 23 45 40 MB/s
Read 4,672
Write 41.3
Mixed 90.3
SusWrite 29.4
251% 1,208 MB/s
4K Read 498
4K Write 3.1
4K Mixed 6.2
764% 169 MB/s
65GB free (System drive)
Firmware: 6L0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 28 33 35 38 37 40 MB/s
Read 4,606
Write 39
Mixed 83
SusWrite 35.3
248% 1,191 MB/s
4K Read 411
4K Write 2.7
4K Mixed 5.3
631% 140 MB/s
17GB free (System drive)
Firmware: 6L0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 178 198 194 188 174 179 MB/s
Read 1,627
Write 188
Mixed 401
SusWrite 185
129% 600 MB/s
4K Read 45.1
4K Write 38.5
4K Mixed 33.7
132% 39.1 MB/s
DQ Read 972
DQ Write 82.4
DQ Mixed 155
207% 403 MB/s
1,650 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,296,391 SSDs tested.


AmazonUS $602 years
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Typical SM951 NVMe PCIe M.2 128GB Builds (Compare 889 builds) See popular component choices, score breakdowns and rankings.
Gaming 33%
Sail boat
Desktop 76%
Workstation 28%

Motherboard: MSI MS-1782

EDIT WITH CUSTOM PC BUILDER Value: 19% - Very poor Total price: $60

Popular SM951 NVMe PCIe M.2 128GB compatible motherboards:

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) September 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.


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 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $394Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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