Average Bench: 148% (118th of 1016)

Based on 3,434 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1006

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1006 256GB averaged 47.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-256G-1006 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 630MB/s
Avg. 4K-64Thread Write Speed 717MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1006 256GB is 78.9%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-256G-1006 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 396MB/s
Avg. Sequential Mixed IO Speed 706MB/s
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Average Bench

(Based on 3,434 samples)
Min Avg Max
487 Read 854 1,181
414 Write 807 1,163
398 Mixed 706 979
282 SusWrite 396 444
155% 691 MB/s
Min Avg Max
23.2 4K Read 37.5 46.9
46 4K Write 112 163
27.5 4K Mixed 53.3 69.3
184% 67.7 MB/s
Min Avg Max
333 DQ Read 725 859
261 DQ Write 717 1,065
339 DQ Mixed 630 735
498% 691 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
155GB free (System drive)
Firmware: 20110006
SusWrite @10s intervals: 473 481 432 433 432 432 MB/s
Read 1,089
Write 1,014
Mixed 923
SusWrite 447
195% 868 MB/s
4K Read 44.7
4K Write 145
4K Mixed 64.8
228% 84.9 MB/s
DQ Read 858
DQ Write 739
DQ Mixed 735
568% 777 MB/s
184GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 490 437 410 414 414 414 MB/s
Read 1,042
Write 928
Mixed 830
SusWrite 430
181% 808 MB/s
4K Read 41.4
4K Write 114
4K Mixed 59
198% 71.4 MB/s
DQ Read 853
DQ Write 998
DQ Mixed 733
606% 861 MB/s
190GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 457 444 423 423 424 422 MB/s
Read 654
Write 667
Mixed 583
SusWrite 432
131% 584 MB/s
4K Read 44.5
4K Write 152
4K Mixed 66
232% 87.4 MB/s
DQ Read 856
DQ Write 763
DQ Mixed 699
555% 773 MB/s
142GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 477 468 421 420 421 421 MB/s
Read 781
Write 772
Mixed 658
SusWrite 438
149% 662 MB/s
4K Read 34.7
4K Write 114
4K Mixed 56.2
185% 68.5 MB/s
DQ Read 741
DQ Write 995
DQ Mixed 717
584% 818 MB/s
129GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 519 412 346 338 310 339 MB/s
Read 1,026
Write 828
Mixed 731
SusWrite 377
165% 741 MB/s
4K Read 32.7
4K Write 108
4K Mixed 44.8
164% 61.7 MB/s
DQ Read 457
DQ Write 930
DQ Mixed 727
543% 705 MB/s
166GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 398 419 418 419 419 420 MB/s
Read 756
Write 406
Mixed 462
SusWrite 416
114% 510 MB/s
4K Read 30.7
4K Write 60.7
4K Mixed 37.8
127% 43.1 MB/s
DQ Read 439
DQ Write 341
DQ Mixed 183
193% 321 MB/s
3,434 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,680,567 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1006 256GB Builds (Compare 3,865 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 57%
Gunboat
Desktop
Desktop 91%
Nuclear submarine
Workstation
Workstation 71%
Battleship

System: HP OMEN by HP Obelisk Desktop 875-0xxx

EDIT WITH CUSTOM PC BUILDER Value: 80% - Very good Total price: $540

Popular PC SN520 SDAPNUW-256G-1006 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.
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  • - 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) January 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

1016 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

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Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
HDDRAMUSB
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Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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