Average Bench: 183% (100th of 1040)

Based on 4,828 user benchmarks.  Models: SAMSUNG MZHPV512HDGL-00000, SAMSUNG MZHPV512HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 512GB averaged 82.8% 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 489MB/s
Avg. Sequential Read Speed 1,333MB/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 345MB/s
Avg. 4K Random Write Speed 106MB/s
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Average Bench

(Based on 4,828 samples)
Min Avg Max
735 Read 1,333 1,553
451 Write 1,066 1,488
538 Mixed 796 997
283 SusWrite 859 1,483
227% 1,013 MB/s
Min Avg Max
28.4 4K Read 40.5 45.4
56.5 4K Write 106 148
35.8 4K Mixed 50.8 61.6
182% 65.6 MB/s
Min Avg Max
292 DQ Read 598 701
211 DQ Write 345 424
270 DQ Mixed 489 593
359% 477 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
456GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1485 1485 1485 1488 1487 1490 MB/s
Read 1384
Write 1,476
Mixed 830
SusWrite 1,487
292% 1,294 MB/s
4K Read 37.8
4K Write 125
4K Mixed 48.1
185% 70.4 MB/s
DQ Read 695
DQ Write 424
DQ Mixed 443
361% 520 MB/s
368GB free (System drive)
Firmware: BXW25L0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1229 1276 1144 1127 1166 1079 MB/s
Read 1,427
Write 1,342
Mixed 879
SusWrite 1,170
270% 1,204 MB/s
4K Read 36.8
4K Write 114
4K Mixed 54.7
186% 68.5 MB/s
DQ Read 664
DQ Write 374
DQ Mixed 555
403% 531 MB/s
181GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1423 1142 732 699 690 643 MB/s
Read 1467
Write 1,478
Mixed 855
SusWrite 888
263% 1,172 MB/s
4K Read 41.5
4K Write 115
4K Mixed 56.1
196% 70.9 MB/s
DQ Read 698
DQ Write 394
DQ Mixed 564
415% 552 MB/s
477GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1001 1125 1150 1117 1089 995 MB/s
Read 1,000
Write 1,079
Mixed 666
SusWrite 1,080
216% 956 MB/s
4K Read 30.5
4K Write 76.3
4K Mixed 38.5
136% 48.4 MB/s
DQ Read 697
DQ Write 422
DQ Mixed 577
425% 565 MB/s
108GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 490 457 462 432 439 436 MB/s
Read 1,479
Write 1,024
Mixed 944
SusWrite 452
217% 975 MB/s
4K Read 41.9
4K Write 121
4K Mixed 55.9
199% 72.8 MB/s
DQ Read 698
DQ Write 324
DQ Mixed 521
384% 514 MB/s
4,828 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 37,684,518 SSDs tested.

 Prices

AmazonUS $2903 years
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Typical SM951 AHCI PCIe M.2 512GB Builds (Compare 219 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 65%
Destroyer
Workstation
Workstation 8%
Tree trunk

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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  • - CPU tests include: integer, floating and string.
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  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) January 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]

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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

1040 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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Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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