Average Bench: 136% (159th of 1058)

Based on 3,915 user benchmarks.  Model: PC SN520 NVMe WDC 256GB

Outstanding average bench

The PC SN520 NVMe WDC 256GB averaged 36.3% 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 545MB/s
Avg. 4K-64Thread Read Speed 672MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the PC SN520 NVMe WDC 256GB is 94.8%. 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 330MB/s
Avg. 4K Random Write Speed 101MB/s
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Average Bench

(Based on 3,915 samples)
Min Avg Max
538 Read 890 1,189
265 Write 828 1,198
345 Mixed 731 1,043
182 SusWrite 330 445
156% 695 MB/s
Min Avg Max
19.6 4K Read 37.5 47.4
45.9 4K Write 101 161
24.1 4K Mixed 50.3 69.8
175% 62.9 MB/s
Min Avg Max
266 DQ Read 672 859
132 DQ Write 529 958
209 DQ Mixed 545 732
423% 582 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
202GB free (System drive)
Firmware: 20200012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 474 427 426 426 425 429 MB/s
Read 1,120
Write 1,039
Mixed 974
SusWrite 435
200% 892 MB/s
4K Read 43.3
4K Write 168
4K Mixed 65.4
238% 92.1 MB/s
DQ Read 854
DQ Write 1,194
DQ Mixed 723
631% 924 MB/s
81GB free (System drive)
Firmware: 20240012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 305 265 247 241 241 237 MB/s
Read 812
Write 828
Mixed 768
SusWrite 256
150% 666 MB/s
4K Read 39.2
4K Write 99.8
4K Mixed 53
180% 64 MB/s
DQ Read 807
DQ Write 381
DQ Mixed 707
494% 632 MB/s
160GB free (System drive)
Firmware: 20200012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 346 436 365 344 310 254 MB/s
Read 626
Write 478
Mixed 648
SusWrite 343
118% 524 MB/s
4K Read 31.8
4K Write 85.2
4K Mixed 47.1
154% 54.7 MB/s
DQ Read 641
DQ Write 285
DQ Mixed 545
382% 490 MB/s
109GB free (System drive)
Firmware: 20220012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 244 228 209 204 207 202 MB/s
Read 907
Write 763
Mixed 832
SusWrite 216
152% 679 MB/s
4K Read 37.3
4K Write 82
4K Mixed 49
163% 56.1 MB/s
DQ Read 363
DQ Write 205
DQ Mixed 320
228% 296 MB/s
87GB free (System drive)
Firmware: 20220012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 365 325 339 329 320 310 MB/s
Read 749
Write 647
Mixed 665
SusWrite 332
134% 598 MB/s
4K Read 29
4K Write 52.5
4K Mixed 36.9
119% 39.5 MB/s
DQ Read 439
DQ Write 183
DQ Mixed 402
274% 341 MB/s
116GB free (System drive)
Firmware: 20200012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 381 302 275 287 284 280 MB/s
Read 779
Write 878
Mixed 505
SusWrite 302
138% 616 MB/s
4K Read 20.3
4K Write 50.7
4K Mixed 41.7
111% 37.6 MB/s
DQ Read 503
DQ Write 192
DQ Mixed 262
216% 319 MB/s
3,915 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,500,531 SSDs tested.

Typical SN520 NVMe WDC 256GB Builds (Compare 4,338 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 66%
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) August 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 i5-11600K $270Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $394Nvidia RTX 3080 $700Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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