Average Bench: 198% (62nd of 1005)

Based on 6,351 user benchmarks.  Models: NVMe SAMSUNG MZVKV512, SAMSUNG MZVPV512HDGL-00000, NVMe SAMSUNG MZVPV512, NVMe SM951 NVMe SAMSU, SAMSUNG MZVPV512HDGL-000H1

Outstanding average bench

The Samsung SM951 NVMe PCIe M.2 512GB averaged 98.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SM951 NVMe PCIe M.2 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 489MB/s
Avg. 4K-64Thread Read Speed 875MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 NVMe PCIe M.2 512GB is 127%. This is a particularly wide range which indicates that the Samsung SM951 NVMe PCIe M.2 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Write Speed 339MB/s
Avg. 4K Random Write Speed 111MB/s
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Average Bench

(Based on 6,351 samples)
Min Avg Max
1,041 Read 1,501 1,870
490 Write 1,049 1,493
515 Mixed 796 995
233 SusWrite 828 1,479
233% 1,044 MB/s
Min Avg Max
28.6 4K Read 47.2 51.2
58.1 4K Write 111 158
32.7 4K Mixed 53.1 66.7
198% 70.5 MB/s
Min Avg Max
335 DQ Read 875 1,214
223 DQ Write 339 428
245 DQ Mixed 489 626
393% 568 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
436GB free (System drive)
Firmware: BXW74H0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1470 1473 1457 1488 1493 1493 MB/s
Read 1,511
Write 1,354
Mixed 875
SusWrite 1479
293% 1,305 MB/s
4K Read 51.2
4K Write 160
4K Mixed 68.1
250% 93.2 MB/s
DQ Read 1,194
DQ Write 384
DQ Mixed 487
438% 688 MB/s
439GB free (System drive)
Firmware: BXW74H0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1463 1478 1477 1482 1483 1469 MB/s
Read 1,469
Write 1452
Mixed 980
SusWrite 1,475
303% 1,344 MB/s
4K Read 44.3
4K Write 157
4K Mixed 54.2
220% 85.1 MB/s
DQ Read 1,211
DQ Write 381
DQ Mixed 486
439% 692 MB/s
316GB free (System drive)
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1042 1048 968 920 883 879 MB/s
Read 1,424
Write 1,274
Mixed 827
SusWrite 957
251% 1,120 MB/s
4K Read 43.8
4K Write 103
4K Mixed 57
194% 68.1 MB/s
DQ Read 810
DQ Write 406
DQ Mixed 622
458% 612 MB/s
385GB free (System drive)
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 744 623 657 634 632 558 MB/s
Read 1,528
Write 1,020
Mixed 734
SusWrite 641
218% 981 MB/s
4K Read 45.7
4K Write 113
4K Mixed 59.2
205% 72.7 MB/s
DQ Read 1,184
DQ Write 359
DQ Mixed 548
463% 697 MB/s
377GB free (System drive)
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1032 991 1050 1095 1041 1072 MB/s
Read 1,217
Write 1,311
Mixed 752
SusWrite 1,047
243% 1,082 MB/s
4K Read 29.1
4K Write 105
4K Mixed 48.8
162% 60.9 MB/s
DQ Read 777
DQ Write 400
DQ Mixed 607
446% 594 MB/s
228GB free (System drive)
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 941 893 860 853 813 849 MB/s
Read 1,535
Write 1,223
Mixed 752
SusWrite 868
244% 1,094 MB/s
4K Read 16
4K Write 97.5
4K Mixed 33.5
119% 49 MB/s
DQ Read 687
DQ Write 357
DQ Mixed 502
378% 515 MB/s
219GB free (System drive)
Firmware: BXW74H0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 685 679 668 663 670 669 MB/s
Read 1,417
Write 869
Mixed 701
SusWrite 672
203% 915 MB/s
4K Read 34.8
4K Write 87.7
4K Mixed 45.2
157% 55.9 MB/s
DQ Read 720
DQ Write 271
DQ Mixed 363
303% 451 MB/s
6,351 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,936,377 SSDs tested.

 Prices

AmazonUS $24925 mins
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Typical SM951 NVMe PCIe M.2 512GB Builds (Compare 1,332 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 73%
Battleship
Workstation
Workstation 48%
Yacht

System: Asus N501VW

EDIT WITH CUSTOM PC BUILDER Value: 164% - Outstanding Total price: $249

Popular SM951 NVMe 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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Solid State Drive Rankings (Price vs Performance) July 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

1005 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.
CPUGPUSSD
Intel Core i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $252Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $728SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Ultra Fit 32GB $12
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