Average Bench: 136% (160th of 1058)

Based on 4,252 user benchmarks.  Model: PC SN520 NVMe WDC 256GB

Outstanding average bench

The PC SN520 NVMe WDC 256GB averaged 35.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the PC SN520 NVMe WDC 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 547MB/s
Avg. 4K-64Thread Read Speed 670MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the PC SN520 NVMe WDC 256GB is 104%. This is a particularly wide range which indicates that the PC SN520 NVMe WDC 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 324MB/s
Avg. 4K Random Write Speed 100MB/s
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Average Bench

(Based on 4,252 samples)
Min Avg Max
543 Read 891 1,195
259 Write 828 1,187
341 Mixed 729 1,039
160 SusWrite 324 446
155% 693 MB/s
Min Avg Max
19.4 4K Read 37.3 47.1
37.8 4K Write 100 159
22.5 4K Mixed 50.2 69.2
174% 62.5 MB/s
Min Avg Max
265 DQ Read 670 859
128 DQ Write 523 956
198 DQ Mixed 547 730
422% 580 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
132GB free (System drive)
Firmware: 20240012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 14 24 35 21 28 32 MB/s
Read 2,846
Write 25.9
Mixed 52.7
SusWrite 25.5
153% 737 MB/s
4K Read 267
4K Write 2.1
4K Mixed 4
411% 91.1 MB/s
65GB free (System drive)
Firmware: 20220012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 388 369 327 315 310 309 MB/s
Read 1,102
Write 970
Mixed 932
SusWrite 336
187% 835 MB/s
4K Read 43.9
4K Write 134
4K Mixed 63.9
219% 80.6 MB/s
DQ Read 804
DQ Write 959
DQ Mixed 719
587% 827 MB/s
91GB free (System drive)
Firmware: 20220012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 348 262 287 261 253 262 MB/s
Read 1,143
Write 943
Mixed 929
SusWrite 279
184% 823 MB/s
4K Read 45.9
4K Write 127
4K Mixed 64.3
219% 79.1 MB/s
DQ Read 743
DQ Write 447
DQ Mixed 596
444% 595 MB/s
71GB free (System drive)
Firmware: 20220012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 286 254 224 229 226 210 MB/s
Read 1,078
Write 978
Mixed 821
SusWrite 238
174% 779 MB/s
4K Read 45.3
4K Write 129
4K Mixed 54.6
207% 76.2 MB/s
DQ Read 673
DQ Write 395
DQ Mixed 554
407% 541 MB/s
126GB free (System drive)
Firmware: 20240012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 352 329 298 291 282 279 MB/s
Read 837
Write 688
Mixed 645
SusWrite 305
138% 619 MB/s
4K Read 38.9
4K Write 106
4K Mixed 54.3
185% 66.5 MB/s
DQ Read 757
DQ Write 597
DQ Mixed 681
508% 678 MB/s
134GB free (System drive)
Firmware: 20240012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 364 276 289 247 252 213 MB/s
Read 824
Write 612
Mixed 669
SusWrite 273
133% 595 MB/s
4K Read 36.4
4K Write 107
4K Mixed 57.6
186% 67.1 MB/s
DQ Read 620
DQ Write 349
DQ Mixed 616
423% 528 MB/s
57GB free (System drive)
Firmware: 20200012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 195 92 130 46 44 44 MB/s
Read 699
Write 527
Mixed 462
SusWrite 91.9
99% 445 MB/s
4K Read 28.3
4K Write 50.6
4K Mixed 32.1
111% 37 MB/s
DQ Read 320
DQ Write 156
DQ Mixed 259
187% 245 MB/s
4,252 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 49,497,839 SSDs tested.

Typical SN520 NVMe WDC 256GB Builds (Compare 4,959 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 65%
Battle cruiser
Workstation
Workstation 8%
Tree trunk

System: Dell Inspiron 3593

EDIT WITH CUSTOM PC BUILDER

Popular SN520 NVMe WDC 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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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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Solid State Drive Rankings (Price vs Performance) December 2021 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

1058 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 i5-12600K $300Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11600K $220Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $315Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $67SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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