Average Bench: 144% (119th of 1011)

Based on 5,379 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1002

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1002 256GB averaged 43.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-256G-1002 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 622MB/s
Avg. 4K-64Thread Write Speed 656MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1002 256GB is 72.8%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-256G-1002 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 388MB/s
Avg. 4K Random Write Speed 103MB/s
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Average Bench

(Based on 5,379 samples)
Min Avg Max
579 Read 846 1,181
495 Write 841 1,181
439 Mixed 722 1,012
247 SusWrite 388 445
157% 699 MB/s
Min Avg Max
26 4K Read 38 43.8
46.7 4K Write 103 130
29.6 4K Mixed 52.6 62.8
179% 64.4 MB/s
Min Avg Max
306 DQ Read 715 858
213 DQ Write 656 985
278 DQ Mixed 622 732
484% 664 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
113GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 532 482 427 429 429 429 MB/s
Read 1190
Write 1,147
Mixed 1,005
SusWrite 455
213% 949 MB/s
4K Read 44.5
4K Write 128
4K Mixed 63.6
217% 78.8 MB/s
DQ Read 838
DQ Write 719
DQ Mixed 728
559% 761 MB/s
105GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 468 429 402 422 385 314 MB/s
Read 822
Write 950
Mixed 791
SusWrite 403
167% 741 MB/s
4K Read 42.8
4K Write 123
4K Mixed 61.6
209% 75.7 MB/s
DQ Read 853
DQ Write 905
DQ Mixed 720
586% 826 MB/s
121GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 396 318 296 305 306 305 MB/s
Read 909
Write 1,043
Mixed 473
SusWrite 321
154% 687 MB/s
4K Read 35.4
4K Write 108
4K Mixed 57.5
185% 67.1 MB/s
DQ Read 842
DQ Write 828
DQ Mixed 729
577% 800 MB/s
113GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 456 471 422 426 428 428 MB/s
Read 1,188
Write 1123
Mixed 1,002
SusWrite 438
210% 938 MB/s
4K Read 35.8
4K Write 72.7
4K Mixed 46.5
152% 51.7 MB/s
DQ Read 423
DQ Write 292
DQ Mixed 385
280% 367 MB/s
177GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 416 423 426 433 432 430 MB/s
Read 743
Write 401
Mixed 443
SusWrite 427
112% 503 MB/s
4K Read 34.4
4K Write 117
4K Mixed 42.1
168% 64.6 MB/s
DQ Read 554
DQ Write 426
DQ Mixed 337
294% 439 MB/s
5,379 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,104,635 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1002 256GB Builds (Compare 1,546 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 18%
Surfboard
Desktop
Desktop 62%
Destroyer
Workstation
Workstation 38%
Jet ski

System: Asus TUF Gaming FX505DT_FX505DT

EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-256G-1002 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) November 2019 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

1011 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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Intel Core i7-9700K $349Nvidia GTX 1660-Ti $260Samsung 860 Evo 250GB $49
HDDRAMUSB
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WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $75Corsair Vengeance LPX DDR4 3200 C16 2x8GB $68SanDisk Ultra Fit 32GB $14
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