Average Bench: 255% (47th of 1058)

Based on 2,513 user benchmarks.  Models: HP SSD EX950 512GB, NVMe HP SSD EX950 512

Outstanding average bench

The HP EX950 NVMe PCIe M.2 512GB averaged 155.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the HP EX950 NVMe PCIe M.2 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 472MB/s
Avg. Sequential Read Speed 2,239MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the HP EX950 NVMe PCIe M.2 512GB is 172%. This is a particularly wide range which indicates that the HP EX950 NVMe PCIe M.2 512GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 370MB/s
Avg. Sustained Write Speed 774MB/s

Average Bench

(Based on 2,513 samples)
Min Avg Max
1,012 Read 2,239 2,748
521 Write 1,434 2,088
117 Mixed 370 1,392
357 SusWrite 774 1,342
265% 1,204 MB/s
Min Avg Max
29.3 4K Read 55.6 69.8
54.2 4K Write 141 198
40.2 4K Mixed 76.5 96.9
257% 91.1 MB/s
Min Avg Max
352 DQ Read 964 1,329
165 DQ Write 764 1,214
136 DQ Mixed 472 606
460% 733 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
213GB free
Firmware: R1106C Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 706 466 468 467 466 466 MB/s
Read 2,182
Write 848
Mixed 699
SusWrite 506
232% 1,059 MB/s
4K Read 64.4
4K Write 228
4K Mixed 59.4
294% 117 MB/s
DQ Read 353
DQ Write 470
DQ Mixed 398
304% 407 MB/s
65GB free (System drive)
Firmware: SS0411B Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 665 480 255 249 250 266 MB/s
Read 2,066
Write 1,068
Mixed 598
SusWrite 361
224% 1,023 MB/s
4K Read 46.2
4K Write 126
4K Mixed 77.5
236% 83.2 MB/s
DQ Read 778
DQ Write 635
DQ Mixed 108
244% 507 MB/s
266GB free (System drive)
Firmware: R1106C Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 733 483 476 489 483 470 MB/s
Read 2,505
Write 1,777
Mixed 1,210
SusWrite 523
333% 1,504 MB/s
4K Read 51.4
4K Write 89.8
4K Mixed 57.5
199% 66.2 MB/s
DQ Read 424
DQ Write 87.5
DQ Mixed 146
136% 219 MB/s
2,513 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 48,341,201 SSDs tested.


AmazonUS $705 mins
EbayUS $7610 mins
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Typical EX950 NVMe PCIe M.2 512GB Builds (Compare 97,074 builds) See popular component choices, score breakdowns and rankings.
Gaming 102%
Desktop 92%
Nuclear submarine
Workstation 97%
Nuclear submarine

Motherboard: Asus ROG STRIX B450-F GAMING - $120

EDIT WITH CUSTOM PC BUILDER Value: 68% - Good Total price: $991

Popular EX950 NVMe PCIe M.2 512GB 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) October 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 $260Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $240Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $350Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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