Average Bench: 191% (54th of 955)

Based on 2,483 user benchmarks.  Models: SAMSUNG MZHPV512HDGL-00000, SAMSUNG MZHPV512HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 512GB averaged 91.3% 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. Sequential Read Speed 1,632MB/s
Avg. Sequential Mixed IO Speed 1,270MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 512GB is 111%. 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 Read Speed 220MB/s
Avg. 4K-64Thread Write Speed 233MB/s
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Average Bench

(Based on 2,483 samples)
Min Avg Max
1,035 Read 1,632 2,006
628 Write 1,117 1,525
718 Mixed 1,270 1,663
341 SusWrite 1,025 1,500
282% 1,261 MB/s
Min Avg Max
23.8 4K Read 38.2 44.6
46.6 4K Write 98.5 140
21.2 4K Mixed 38.1 54.8
159% 58.3 MB/s
Min Avg Max
30 DQ Read 220 572
89 DQ Write 233 383
21.4 DQ Mixed 114 255
117% 189 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
406GB free
Firmware: BXW25L0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1487 1489 1494 1465 1500 1503 MB/s
Read 1,482
Write 1,484
Mixed 984
SusWrite 1,490
306% 1,360 MB/s
4K Read 44.3
4K Write 120
4K Mixed 58.9
206% 74.3 MB/s
DQ Read 672
DQ Write 426
DQ Mixed 538
404% 545 MB/s
258GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 993 923 844 813 846 793 MB/s
Read 1,363
Write 1,097
Mixed 857
SusWrite 868
234% 1,046 MB/s
4K Read 47
4K Write 148
4K Mixed 63.2
230% 85.9 MB/s
DQ Read 685
DQ Write 372
DQ Mixed 562
409% 540 MB/s
417GB free (System drive)
Firmware: BXW24L0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 694 600 744 737 957 1086 MB/s
Read 1146
Write 971
Mixed 777
SusWrite 803
207% 924 MB/s
4K Read 36.4
4K Write 77.6
4K Mixed 45.9
155% 53.3 MB/s
DQ Read 387
DQ Write 298
DQ Mixed 368
268% 351 MB/s
56GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 465 602 666 428 445 305 MB/s
Read 740
Write 525
Mixed 465
SusWrite 485
124% 554 MB/s
4K Read 38.3
4K Write 109
4K Mixed 47.1
176% 64.7 MB/s
DQ Read 637
DQ Write 241
DQ Mixed 472
341% 450 MB/s
2,483 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,537,239 SSDs tested.

 Prices

AmazonUS $2908 months
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Typical SM951 AHCI PCIe M.2 512GB Builds (Compare 384 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Tree trunk
Desktop
Desktop 71%
Battleship
Workstation
Workstation 41%
Speed boat

System: Asus N501JW

EDIT WITH CUSTOM PC BUILDER Value: 142% - Outstanding 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.

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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.
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  • - 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) July 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 - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.

 Comments

955 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 $320Nvidia GTX 1070 $410Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $289Samsung 850 Evo 500GB $121
Intel Core i5-8600K $235AMD RX 480 $280Samsung 850 Pro 256GB $160
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $176SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $951SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $59HyperX Fury DDR4 2133 C14 2x8GB $219SanDisk Ultra Fit 32GB $12
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