Average Bench: 186% (51st of 959)

Based on 2,687 user benchmarks.  Models: SAMSUNG MZHPV512HDGL-00000, SAMSUNG MZHPV512HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 512GB averaged 86.0% 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 255MB/s
Avg. Sequential Read Speed 1,485MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 512GB is 116%. 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 274MB/s
Avg. 4K-64Thread Read Speed 363MB/s
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Average Bench

(Based on 2,687 samples)
Min Avg Max
762 Read 1,485 1,985
616 Write 1,106 1,521
588 Mixed 1,078 1,647
289 SusWrite 864 1,491
254% 1,133 MB/s
Min Avg Max
24.3 4K Read 37.3 45.5
47.4 4K Write 101 146
21.4 4K Mixed 42.9 60.9
165% 60.6 MB/s
Min Avg Max
35.7 DQ Read 363 701
92.5 DQ Write 274 416
23.5 DQ Mixed 255 580
208% 297 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
209GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1193 1121 1090 1004 966 916 MB/s
Read 1,572
Write 1,296
Mixed 1,006
SusWrite 1,048
276% 1,231 MB/s
4K Read 45
4K Write 139
4K Mixed 61.6
221% 82 MB/s
DQ Read 700
DQ Write 387
DQ Mixed 581
422% 556 MB/s
95GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1000 989 983 1004 976 1003 MB/s
Read 1,323
Write 1,217
Mixed 769
SusWrite 992
241% 1,075 MB/s
4K Read 43.8
4K Write 129
4K Mixed 58.6
210% 77.2 MB/s
DQ Read 696
DQ Write 394
DQ Mixed 568
416% 553 MB/s
141GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 968 946 879 418 414 410 MB/s
Read 1,128
Write 760
Mixed 612
SusWrite 672
177% 793 MB/s
4K Read 33.2
4K Write 88.2
4K Mixed 46.8
157% 56.1 MB/s
DQ Read 447
DQ Write 305
DQ Mixed 431
307% 394 MB/s
141GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 511 420 425 408 422 418 MB/s
Read 1,121
Write 954
Mixed 689
SusWrite 434
178% 800 MB/s
4K Read 38.3
4K Write 100
4K Mixed 47.8
172% 62.1 MB/s
DQ Read 442
DQ Write 354
DQ Mixed 398
298% 398 MB/s
2,687 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,161,475 SSDs tested.

 Prices

AmazonUS $29011 months
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Typical SM951 AHCI PCIe M.2 512GB Builds (Compare 338 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: 138% - 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

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  • - CPU tests include: integer, floating and string.
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  • - Reports are generated and presented on userbenchmark.com.
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  • - Share your opinion by voting.
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
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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
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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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