Average Bench: 189% (79th of 1011)

Based on 6,027 user benchmarks.  Model: NVMe SAMSUNG MZVPV256

Outstanding average bench

The Samsung SM951 NVMe PCIe M.2 256GB averaged 89.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SM951 NVMe PCIe M.2 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 447MB/s
Avg. 4K-64Thread Read Speed 887MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 NVMe PCIe M.2 256GB is 127%. This is a particularly wide range which indicates that the Samsung SM951 NVMe PCIe M.2 256GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Write Speed 301MB/s
Avg. Sustained Write Speed 648MB/s

Average Bench

(Based on 6,027 samples)
Min Avg Max
706 Read 1,520 1,887
281 Write 910 1,222
317 Mixed 657 858
198 SusWrite 648 1,170
207% 934 MB/s
Min Avg Max
27.6 4K Read 51.6 53.5
49.7 4K Write 120 184
28.5 4K Mixed 51.4 65.1
207% 74.2 MB/s
Min Avg Max
356 DQ Read 887 1,225
151 DQ Write 301 388
151 DQ Mixed 447 574
368% 545 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
166GB free (System drive)
Firmware: BXW7 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 104 83 78 94 90 72 MB/s
Read 1,028
Write 175
Mixed 190
SusWrite 86.8
79% 370 MB/s
4K Read 51.5
4K Write 55.7
4K Mixed 45.9
166% 51 MB/s
DQ Read 1183
DQ Write 72
DQ Mixed 138
224% 464 MB/s
48GB free (System drive)
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 335 270 218 282 208 267 MB/s
Read 872
Write 579
Mixed 356
SusWrite 263
115% 518 MB/s
4K Read 29
4K Write 60.3
4K Mixed 30.4
115% 39.9 MB/s
DQ Read 618
DQ Write 229
DQ Mixed 322
265% 390 MB/s
6,027 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,133,049 SSDs tested.


AmazonUS $1301 day
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Typical SM951 NVMe PCIe M.2 256GB Builds (Compare 1,119 builds) See popular component choices, score breakdowns and rankings.
Gaming 40%
Jet ski
Desktop 69%
Battle cruiser
Workstation 45%
Speed boat

System: Asus G752VY

EDIT WITH CUSTOM PC BUILDER Value: 20% - Poor Total price: $130

Popular SM951 NVMe PCIe M.2 256GB 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) November 2019 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.


1011 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 i5-9400F $148Nvidia GTX 1660S (Super) $234Crucial MX500 250GB $45
Intel Core i5-9600K $210Nvidia GTX 1660 $210Samsung 850 Evo 120GB $150
Intel Core i7-9700K $340Nvidia GTX 1660-Ti $260Samsung 860 Evo 250GB $49
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $75Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Ultra Fit 32GB $14
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