Average Bench: 186% (88th of 1021)

Based on 3,398 user benchmarks.  Models: SAMSUNG MZHPV512HDGL-00000, SAMSUNG MZHPV512HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 512GB averaged 85.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SM951 AHCI PCIe M.2 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 478MB/s
Avg. Sequential Read Speed 1,357MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 512GB is 112%. This is a particularly wide range which indicates that the Samsung SM951 AHCI PCIe M.2 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Write Speed 341MB/s
Avg. 4K Random Write Speed 105MB/s
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Average Bench

(Based on 3,398 samples)
Min Avg Max
737 Read 1,357 1,558
547 Write 1,096 1,486
543 Mixed 808 1,006
288 SusWrite 901 1,491
233% 1,041 MB/s
Min Avg Max
27.2 4K Read 41.8 46.3
52.7 4K Write 105 155
32.1 4K Mixed 49.8 63
183% 65.5 MB/s
Min Avg Max
282 DQ Read 582 701
195 DQ Write 341 424
213 DQ Mixed 478 592
351% 467 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
223GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1475 1476 1451 1288 1068 1002 MB/s
Read 1,541
Write 1453
Mixed 924
SusWrite 1,293
293% 1,303 MB/s
4K Read 48.2
4K Write 179
4K Mixed 67
254% 98 MB/s
DQ Read 698
DQ Write 396
DQ Mixed 583
424% 559 MB/s
353GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1505 1503 1508 1510 1510 1510 MB/s
Read 1458
Write 1,496
Mixed 849
SusWrite 1,508
299% 1,328 MB/s
4K Read 40.5
4K Write 103
4K Mixed 51.6
182% 64.9 MB/s
DQ Read 602
DQ Write 423
DQ Mixed 543
397% 523 MB/s
207GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1069 1292 1185 1439 1407 1440 MB/s
Read 1,394
Write 1,390
Mixed 884
SusWrite 1,305
280% 1,243 MB/s
4K Read 31.9
4K Write 73
4K Mixed 40.9
139% 48.6 MB/s
DQ Read 624
DQ Write 390
DQ Mixed 561
404% 525 MB/s
171GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 658 701 712 721 718 711 MB/s
Read 744
Write 710
Mixed 587
SusWrite 704
155% 686 MB/s
4K Read 43.4
4K Write 118
4K Mixed 54.7
199% 72.2 MB/s
DQ Read 635
DQ Write 354
DQ Mixed 515
378% 501 MB/s
154GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 462 568 713 732 733 729 MB/s
Read 744
Write 720
Mixed 561
SusWrite 656
151% 670 MB/s
4K Read 43.4
4K Write 126
4K Mixed 58.2
207% 75.7 MB/s
DQ Read 589
DQ Write 392
DQ Mixed 499
370% 493 MB/s
344GB free (System drive)
Firmware: BXW25L0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 546 505 398 440 497 499 MB/s
Read 537
Write 545
Mixed 114
SusWrite 481
94% 419 MB/s
4K Read 12.3
4K Write 3.7
4K Mixed 5
27% 7 MB/s
3,398 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 26,402,973 SSDs tested.

 Prices

AmazonUS $2902 years
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Typical SM951 AHCI PCIe M.2 512GB Builds (Compare 661 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 13%
Tree trunk
Desktop
Desktop 80%
Battleship
Workstation
Workstation 48%
Yacht

System: Asus N501JW

EDIT WITH CUSTOM PC BUILDER Value: 19% - Very poor Total price: $290

Popular SM951 AHCI 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.

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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) May 2020 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]

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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.

 Comments

1021 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

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Intel Core i7-9700K $370Nvidia RTX 2070S (Super) $500Samsung 860 Evo 250GB $56
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Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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