Average Bench: 196% (68th of 1011)

Based on 6,334 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 95.9% 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 480MB/s
Avg. 4K-64Thread Read Speed 856MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 NVMe PCIe M.2 512GB is 132%. 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 337MB/s
Avg. 4K Random Write Speed 113MB/s
ADVERTISEMENT

Average Bench

(Based on 6,334 samples)
Min Avg Max
923 Read 1,481 1,894
422 Write 1,036 1,490
480 Mixed 780 992
236 SusWrite 810 1,458
229% 1,027 MB/s
Min Avg Max
29 4K Read 47.3 52.1
57.4 4K Write 113 169
32.7 4K Mixed 53 68.2
200% 71.2 MB/s
Min Avg Max
181 DQ Read 856 1,217
206 DQ Write 337 428
175 DQ Mixed 480 627
386% 558 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
431GB free (System drive)
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1352 1451 1456 1473 1469 1448 MB/s
Read 1,209
Write 1,455
Mixed 807
SusWrite 1,441
277% 1,228 MB/s
4K Read 39.8
4K Write 106
4K Mixed 56
188% 67.2 MB/s
DQ Read 863
DQ Write 389
DQ Mixed 109
218% 454 MB/s
125GB free (System drive)
Firmware: 7L0QBXX7 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1000 1022 999 980 931 863 MB/s
Read 1,569
Write 1,175
Mixed 648
SusWrite 966
243% 1,089 MB/s
4K Read 45.9
4K Write 136
4K Mixed 55
212% 79 MB/s
DQ Read 972
DQ Write 376
DQ Mixed 453
393% 600 MB/s
155GB free (System drive)
Firmware: BXW74H0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 957 1109 1000 940 820 890 MB/s
Read 1,540
Write 1,370
Mixed 935
SusWrite 953
269% 1,199 MB/s
4K Read 45
4K Write 116
4K Mixed 57.8
204% 72.9 MB/s
DQ Read 878
DQ Write 374
DQ Mixed 486
397% 579 MB/s
84GB free (System drive)
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 415 285 291 293 289 288 MB/s
Read 1,801
Write 1,018
Mixed 722
SusWrite 310
212% 963 MB/s
4K Read 41
4K Write 85.4
4K Mixed 54.4
177% 60.3 MB/s
DQ Read 854
DQ Write 324
DQ Mixed 516
401% 565 MB/s
112GB free (System drive)
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 811 915 897 782 617 599 MB/s
Read 1,227
Write 864
Mixed 642
SusWrite 770
196% 876 MB/s
4K Read 35.8
4K Write 71.1
4K Mixed 35
137% 47.3 MB/s
DQ Read 692
DQ Write 351
DQ Mixed 44.8
160% 362 MB/s
326GB free
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 217 275 288 288 288 286 MB/s
Read 734
Write 610
Mixed 541
SusWrite 274
121% 540 MB/s
4K Read 50.9
4K Write 130
4K Mixed 64.7
229% 81.9 MB/s
DQ Read 778
DQ Write 427
DQ Mixed 626
460% 610 MB/s
6,334 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 17,666,779 SSDs tested.

 Prices

AmazonUS $2498 mins
Send price feedback
Typical SM951 NVMe PCIe M.2 512GB Builds (Compare 1,434 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Tree trunk
Desktop
Desktop 69%
Battle cruiser
Workstation
Workstation 44%
Speed boat

System: Asus N501VW

EDIT WITH CUSTOM PC BUILDER Value: 22% - Poor 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.

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 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]

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

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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-9400F $140Nvidia GTX 1660 $220Samsung 850 Evo 250GB $70
Intel Core i5-9600K $225Nvidia GTX 1660-Ti $278Samsung 850 Evo 500GB $105
AMD Ryzen 5 3600 $195Nvidia RTX 2060S (Super) $429Samsung 850 Pro 256GB $203
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $37G.SKILL Trident Z DDR4 3200 C14 4x16GB $606SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $64Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 16GB $24
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback