Average Bench: 187% (49th of 959)

Based on 4,373 user benchmarks.  Model: NVMe SAMSUNG MZVPV256

Outstanding average bench

The Samsung SM951 NVMe PCIe M.2 256GB averaged 86.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SM951 NVMe PCIe M.2 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 454MB/s
Avg. 4K-64Thread Read Speed 912MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 NVMe PCIe M.2 256GB is 121%. This is a particularly wide range which indicates that the Samsung SM951 NVMe PCIe M.2 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Write Speed 304MB/s
Avg. Sustained Write Speed 639MB/s
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Average Bench

(Based on 4,373 samples)
Min Avg Max
687 Read 1,475 1,876
434 Write 939 1,227
405 Mixed 667 843
229 SusWrite 639 1,172
207% 930 MB/s
Min Avg Max
29.4 4K Read 47 53.6
59.8 4K Write 124 184
27.5 4K Mixed 51.8 65.1
203% 74.2 MB/s
Min Avg Max
320 DQ Read 912 1,227
180 DQ Write 304 386
148 DQ Mixed 454 572
376% 557 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
145GB free (System drive)
Firmware: BXW7 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 825 744 723 709 700 688 MB/s
Read 1,471
Write 1,108
Mixed 747
SusWrite 731
226% 1,015 MB/s
4K Read 40.9
4K Write 97
4K Mixed 49.9
177% 62.6 MB/s
DQ Read 778
DQ Write 347
DQ Mixed 544
408% 556 MB/s
108GB free (System drive)
Firmware: BXW7 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 703 616 611 585 568 555 MB/s
Read 1,566
Write 1,125
Mixed 758
SusWrite 606
226% 1,014 MB/s
4K Read 43.1
4K Write 112
4K Mixed 53
193% 69.4 MB/s
DQ Read 707
DQ Write 344
DQ Mixed 541
398% 531 MB/s
154GB free (System drive)
Firmware: BXW7 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 411 490 523 534 534 528 MB/s
Read 684
Write 544
Mixed 471
SusWrite 503
124% 551 MB/s
4K Read 40
4K Write 88.2
4K Mixed 47.4
168% 58.5 MB/s
DQ Read 725
DQ Write 304
DQ Mixed 543
395% 524 MB/s
4,373 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,162,239 SSDs tested.

 Prices

AmazonUS $9948 mins
EbayUS $11014 mins
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EDIT WITH CUSTOM PC BUILDER Value: 184% - Outstanding Total price: $99

Popular SM951 NVMe PCIe M.2 256GB 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) October 2018 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

959 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 $365Nvidia GTX 1070 $345Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $98
Intel Core i7-7700K $350AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3000 C15 2x8GB $148SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $145SanDisk Ultra Fit 32GB $12
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