Average Bench: 182% (99th of 1034)

Based on 3,783 user benchmarks.  Models: SAMSUNG MZHPV512HDGL-00000, SAMSUNG MZHPV512HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 512GB averaged 81.9% 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 486MB/s
Avg. Sequential Read Speed 1,321MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 512GB is 119%. 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 344MB/s
Avg. 4K Random Write Speed 104MB/s
ADVERTISEMENT

Average Bench

(Based on 3,783 samples)
Min Avg Max
731 Read 1,321 1,550
553 Write 1,090 1,489
519 Mixed 794 995
292 SusWrite 876 1,467
228% 1,020 MB/s
Min Avg Max
25.2 4K Read 38.8 46.3
50.2 4K Write 104 148
27.8 4K Mixed 49.8 62.9
178% 64.3 MB/s
Min Avg Max
298 DQ Read 594 701
201 DQ Write 344 425
263 DQ Mixed 486 594
357% 475 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
241GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1087 999 968 939 924 907 MB/s
Read 1,548
Write 1,470
Mixed 948
SusWrite 971
277% 1,234 MB/s
4K Read 40.1
4K Write 112
4K Mixed 53.8
189% 68.5 MB/s
DQ Read 698
DQ Write 383
DQ Mixed 577
419% 553 MB/s
447GB free (System drive)
Firmware: BXW25L0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1158 1233 1236 1282 1287 1288 MB/s
Read 1,221
Write 1,245
Mixed 733
SusWrite 1,247
250% 1,112 MB/s
4K Read 40.3
4K Write 93.3
4K Mixed 51.2
176% 61.6 MB/s
DQ Read 533
DQ Write 395
DQ Mixed 503
365% 477 MB/s
270GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1220 881 793 764 771 764 MB/s
Read 1,482
Write 1,484
Mixed 947
SusWrite 865
268% 1,195 MB/s
4K Read 39.9
4K Write 104
4K Mixed 53.2
184% 65.8 MB/s
DQ Read 699
DQ Write 394
DQ Mixed 579
422% 557 MB/s
206GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 750 540 530 560 542 512 MB/s
Read 1,528
Write 1013
Mixed 919
SusWrite 572
224% 1,008 MB/s
4K Read 42.6
4K Write 118
4K Mixed 56.2
199% 72.1 MB/s
DQ Read 702
DQ Write 359
DQ Mixed 578
416% 546 MB/s
133GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 511 628 549 483 435 398 MB/s
Read 1,151
Write 776
Mixed 601
SusWrite 501
168% 757 MB/s
4K Read 35.7
4K Write 69.5
4K Mixed 41.2
144% 48.8 MB/s
DQ Read 358
DQ Write 312
DQ Mixed 391
278% 354 MB/s
326GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 460 482 492 502 500 500 MB/s
Read 701
Write 639
Mixed 555
SusWrite 489
134% 596 MB/s
4K Read 37.1
4K Write 84.7
4K Mixed 49.2
164% 57 MB/s
DQ Read 466
DQ Write 413
DQ Mixed 466
342% 448 MB/s
356GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 688 916 981 967 929 938 MB/s
Read 1,036
Write 979
Mixed 700
SusWrite 903
203% 904 MB/s
4K Read 25.8
4K Write 55.4
4K Mixed 22.4
97% 34.5 MB/s
DQ Read 21.2
DQ Write 45.2
DQ Mixed 24.9
21% 30.4 MB/s
99GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 532 314 279 293 304 292 MB/s
Read 1,097
Write 842
Mixed 574
SusWrite 335
158% 712 MB/s
4K Read 26.7
4K Write 53.8
4K Mixed 46
128% 42.2 MB/s
DQ Read 418
DQ Write 325
DQ Mixed 318
253% 354 MB/s
3,783 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 31,501,426 SSDs tested.

 Prices

AmazonUS $2902 years
Send price feedback
Typical SM951 AHCI PCIe M.2 512GB Builds (Compare 149 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.

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.
  • - 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) September 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]

ADVERTISEMENT

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

1034 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 i5-9600K $193Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $43
Intel Core i7-9700K $290Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i5-9400F $143Nvidia RTX 2070S (Super) $500Samsung 860 Evo 250GB $43
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $66SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $64SanDisk Extreme 32GB $30
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Extreme 16GB $28
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback