Average Bench: 209% (11th of 853)

Based on 3,079 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 108.9% 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.


Avg. Sequential Read Speed 1,818MB/s
Avg. Sequential Mixed IO Speed 1,293MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 NVMe PCIe M.2 512GB is 111%. This is a particularly wide range which indicates that the Samsung SM951 NVMe PCIe M.2 512GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 282MB/s
Avg. 4K-64Thread Write Speed 254MB/s

Average Bench

(Based on 3,079 samples)
Min Avg Max
1,366 Read 1,818 2,042
600 Write 1,119 1,515
779 Mixed 1,293 1,603
312% 1,410 MB/s
Min Avg Max
25.3 4K Read 46.2 51.4
45.1 4K Write 114 169
23.5 4K Mixed 42.9 64.6
185% 67.7 MB/s
Min Avg Max
35.2 DQ Read 282 655
87.9 DQ Write 254 399
22.6 DQ Mixed 115 249
128% 217 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
455GB free
Firmware: BXW74H0Q Max speed: PCIe 5,000 MB/s
Read 2,080
Write 1,522
Mixed 1,623
387% 1,742 MB/s
4K Read 49
4K Write 134
4K Mixed 33.7
188% 72.2 MB/s
DQ Read 49.9
DQ Write 132
DQ Mixed 33.5
42% 71.7 MB/s
237GB free
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
Read 1,828
Write 1,034
Mixed 1,248
303% 1,370 MB/s
4K Read 40
4K Write 86.3
4K Mixed 50.7
171% 59 MB/s
DQ Read 326
DQ Write 229
DQ Mixed 136
140% 230 MB/s
375GB free
Firmware: BXW7300Q Max speed: PCIe 5,000 MB/s
Read 1,901
Write 1,005
Mixed 1,355
314% 1,421 MB/s
4K Read 39.6
4K Write 100
4K Mixed 29.6
151% 56.6 MB/s
DQ Read 43.9
DQ Write 105
DQ Mixed 30
36% 59.7 MB/s
3,079 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,284,678 SSDs tested.


AmazonUS $303.9332 mins ago.
EbayUS $349.957 mins ago.
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Typical SM951 NVMe PCIe M.2 512GB Builds (Compare 822 builds) See popular component choices, score breakdowns and rankings.
Gaming 16%
Desktop 75%
Workstation 50%

System: Asus N501VW

EDIT WITH CUSTOM PC BUILDER Value: 149% - Outstanding Total price: $304

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 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]


853 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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The Best.
Intel Core i7-7700K $295Nvidia GTX 1070 $390Samsung 850 Evo 250GB $97
AMD Ryzen 7 1700 $268AMD RX 480 $260Samsung 850 Pro 256GB $136
Intel Core i5-7600K $238Nvidia GTX 1060-6GB $239Samsung 850 Evo 500GB $159
Seagate Barracuda 1TB (2016) $50G.SKILL Trident Z DDR4 3200 C14 4x16GB $714SanDisk Extreme 64GB $34
Seagate Barracuda 3TB (2016) $83Corsair Vengeance LPX DDR4 3000 C15 2x8GB $132SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $44HyperX Fury DDR4 2133 C14 2x8GB $143SanDisk Ultra Fit 32GB $13
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