Average Bench: 185% (81st of 1011)

Based on 3,083 user benchmarks.  Models: SAMSUNG MZHPV512HDGL-00000, SAMSUNG MZHPV512HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 512GB averaged 85.2% 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 475MB/s
Avg. Sequential Read Speed 1,343MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 512GB is 126%. 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 342MB/s
Avg. 4K Random Write Speed 106MB/s
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Average Bench

(Based on 3,083 samples)
Min Avg Max
896 Read 1,343 1,558
480 Write 1,091 1,487
538 Mixed 798 996
252 SusWrite 907 1,495
232% 1,035 MB/s
Min Avg Max
25.3 4K Read 40.8 46.5
49.7 4K Write 106 155
26.9 4K Mixed 49.9 63.7
182% 65.7 MB/s
Min Avg Max
203 DQ Read 569 701
181 DQ Write 342 425
165 DQ Mixed 475 595
348% 462 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
398GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1523 1506 1516 1514 1515 1425 MB/s
Read 1,438
Write 1,503
Mixed 860
SusWrite 1,500
298% 1,325 MB/s
4K Read 37.8
4K Write 92
4K Mixed 50.2
170% 60 MB/s
DQ Read 698
DQ Write 425
DQ Mixed 582
428% 568 MB/s
476GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1497 1499 1501 1501 1498 1500 MB/s
Read 1,412
Write 1,488
Mixed 864
SusWrite 1,500
296% 1,316 MB/s
4K Read 36.4
4K Write 108
4K Mixed 51
178% 65.2 MB/s
DQ Read 699
DQ Write 375
DQ Mixed 561
410% 545 MB/s
213GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1022 933 931 862 841 815 MB/s
Read 1,578
Write 1,223
Mixed 1013
SusWrite 901
264% 1,179 MB/s
4K Read 45.3
4K Write 147
4K Mixed 62.4
226% 84.9 MB/s
DQ Read 699
DQ Write 386
DQ Mixed 578
421% 555 MB/s
269GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 780 913 925 905 956 856 MB/s
Read 1,248
Write 979
Mixed 686
SusWrite 889
213% 950 MB/s
4K Read 42.1
4K Write 96.3
4K Mixed 53
183% 63.8 MB/s
DQ Read 695
DQ Write 345
DQ Mixed 539
395% 526 MB/s
160GB free (System drive)
Firmware: BXW24L0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 689 596 584 581 502 534 MB/s
Read 1,498
Write 930
Mixed 831
SusWrite 581
213% 960 MB/s
4K Read 41.2
4K Write 108
4K Mixed 52
186% 67 MB/s
DQ Read 697
DQ Write 347
DQ Mixed 530
392% 525 MB/s
186GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 696 647 567 538 551 542 MB/s
Read 1222
Write 971
Mixed 762
SusWrite 590
198% 886 MB/s
4K Read 37.7
4K Write 97.7
4K Mixed 50
173% 61.8 MB/s
DQ Read 667
DQ Write 354
DQ Mixed 542
394% 521 MB/s
57GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 388 284 343 285 298 311 MB/s
Read 1497
Write 669
Mixed 979
SusWrite 318
192% 866 MB/s
4K Read 39
4K Write 90.9
4K Mixed 50.1
171% 60 MB/s
DQ Read 701
DQ Write 350
DQ Mixed 513
384% 521 MB/s
164GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 580 527 482 501 521 489 MB/s
Read 740
Write 636
Mixed 523
SusWrite 517
136% 604 MB/s
4K Read 34.2
4K Write 102
4K Mixed 42.5
160% 59.7 MB/s
DQ Read 234
DQ Write 229
DQ Mixed 179
149% 214 MB/s
3,083 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,367,349 SSDs tested.

 Prices

AmazonUS $2902 years
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Typical SM951 AHCI PCIe M.2 512GB Builds (Compare 552 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 13%
Tree trunk
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 37%
Jet ski

System: Asus N501JW

EDIT WITH CUSTOM PC BUILDER Value: 18% - 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.
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  • - 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.
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  • - 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]

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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

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

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