Average Bench: 149% (130th of 1034)

Based on 1,282 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1202

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1202 256GB averaged 48.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-256G-1202 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 604MB/s
Avg. 4K-64Thread Write Speed 622MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1202 256GB is 109%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-256G-1202 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 396MB/s
Avg. 4K Random Read Speed 36.1MB/s
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Average Bench

(Based on 1,282 samples)
Min Avg Max
337 Read 936 1,202
299 Write 914 1,208
313 Mixed 736 1,015
274 SusWrite 396 446
167% 746 MB/s
Min Avg Max
18.7 4K Read 36.1 48.4
51.5 4K Write 120 181
26.7 4K Mixed 53.6 73
187% 70 MB/s
Min Avg Max
366 DQ Read 683 853
249 DQ Write 622 1,041
283 DQ Mixed 604 733
466% 636 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
127GB free (System drive)
Firmware: 20200000
SusWrite @10s intervals: 516 420 422 423 424 423 MB/s
Read 1,180
Write 1,167
Mixed 983
SusWrite 438
211% 942 MB/s
4K Read 46.5
4K Write 159
4K Mixed 68.8
243% 91.5 MB/s
DQ Read 854
DQ Write 886
DQ Mixed 739
592% 826 MB/s
92GB free (System drive)
Firmware: 20200000
SusWrite @10s intervals: 387 383 354 354 323 330 MB/s
Read 1,190
Write 1,088
Mixed 1,008
SusWrite 355
204% 910 MB/s
4K Read 47.4
4K Write 162
4K Mixed 70.3
248% 93.2 MB/s
DQ Read 826
DQ Write 887
DQ Mixed 736
587% 817 MB/s
166GB free (System drive)
Firmware: 20200000
SusWrite @10s intervals: 384 357 328 325 325 320 MB/s
Read 1,044
Write 1,085
Mixed 804
SusWrite 340
183% 818 MB/s
4K Read 45.1
4K Write 139
4K Mixed 66.2
227% 83.6 MB/s
DQ Read 824
DQ Write 707
DQ Mixed 628
508% 720 MB/s
187GB free (System drive)
Firmware: 20200000
SusWrite @10s intervals: 485 452 417 427 431 432 MB/s
Read 913
Write 976
Mixed 926
SusWrite 440
183% 814 MB/s
4K Read 18
4K Write 117
4K Mixed 32.5
131% 55.9 MB/s
DQ Read 502
DQ Write 438
DQ Mixed 431
334% 457 MB/s
189GB free (System drive)
Firmware: 20200000
SusWrite @10s intervals: 233 245 250 236 251 295 MB/s
Read 323
Write 288
Mixed 297
SusWrite 252
65% 290 MB/s
4K Read 16.1
4K Write 56.4
4K Mixed 24.3
85% 32.3 MB/s
DQ Read 436
DQ Write 374
DQ Mixed 478
338% 430 MB/s
1,282 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 31,489,611 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1202 256GB Builds (Compare 737 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 82%
Aircraft carrier
Workstation
Workstation 16%
Surfboard

System: Asus TUF Gaming FA506II_FA506II

EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-256G-1202 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.
  • - 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.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) September 2020 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

1034 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.
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Intel Core i7-9700K $290Nvidia RTX 2070S (Super) $500Samsung 860 Evo 250GB $43
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $66SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $64SanDisk Extreme 32GB $30
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Extreme 16GB $28
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