Average Bench: 145% (119th of 1011)

Based on 3,750 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1002

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1002 256GB averaged 44.6% 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 618MB/s
Avg. 4K-64Thread Write Speed 648MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1002 256GB is 74.4%. 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 408MB/s
Avg. 4K Random Write Speed 102MB/s
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Average Bench

(Based on 3,750 samples)
Min Avg Max
568 Read 856 1,185
427 Write 869 1,200
443 Mixed 742 1,030
304 SusWrite 408 446
161% 719 MB/s
Min Avg Max
22.7 4K Read 37.8 43.7
45.4 4K Write 102 131
26.5 4K Mixed 51.9 62.9
178% 64 MB/s
Min Avg Max
309 DQ Read 719 858
212 DQ Write 648 983
252 DQ Mixed 618 732
481% 661 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
119GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 529 433 436 437 438 433 MB/s
Read 693
Write 1,242
Mixed 1,029
SusWrite 451
194% 854 MB/s
4K Read 43.3
4K Write 102
4K Mixed 56.6
192% 67.2 MB/s
DQ Read 861
DQ Write 786
DQ Mixed 685
552% 777 MB/s
192GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 474 413 415 407 412 416 MB/s
Read 869
Write 1,071
Mixed 469
SusWrite 423
159% 708 MB/s
4K Read 33
4K Write 115
4K Mixed 52.4
178% 66.9 MB/s
DQ Read 756
DQ Write 776
DQ Mixed 711
550% 748 MB/s
126GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 435 349 368 374 353 375 MB/s
Read 613
Write 671
Mixed 632
SusWrite 376
129% 573 MB/s
4K Read 44
4K Write 123
4K Mixed 62.2
212% 76.5 MB/s
DQ Read 853
DQ Write 719
DQ Mixed 733
564% 768 MB/s
169GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 507 395 401 405 409 406 MB/s
Read 1,138
Write 1,052
Mixed 952
SusWrite 420
200% 891 MB/s
4K Read 31.4
4K Write 82.3
4K Mixed 41.2
144% 51.6 MB/s
DQ Read 680
DQ Write 478
DQ Mixed 663
472% 607 MB/s
202GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 412 425 413 413 413 415 MB/s
Read 707
Write 627
Mixed 630
SusWrite 415
134% 595 MB/s
4K Read 30.8
4K Write 98.8
4K Mixed 36.6
146% 55.4 MB/s
DQ Read 756
DQ Write 632
DQ Mixed 676
511% 688 MB/s
208GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 453 397 398 410 412 413 MB/s
Read 564
Write 514
Mixed 523
SusWrite 414
113% 504 MB/s
4K Read 31.8
4K Write 76.5
4K Mixed 38.8
138% 49 MB/s
DQ Read 543
DQ Write 455
DQ Mixed 498
374% 499 MB/s
3,750 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 17,587,769 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1002 256GB Builds (Compare 705 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 75%
Battleship
Workstation
Workstation 52%
Yacht

System: Asus TUF Gaming FX505GM_FX505GM

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) September 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
Intel Core i5-9400F $140Nvidia GTX 1660 $220Samsung 850 Evo 250GB $80
Intel Core i5-9600K $219Nvidia GTX 1660-Ti $278Samsung 850 Evo 500GB $105
AMD Ryzen 5 3600 $195Nvidia RTX 2060 $340Samsung 850 Pro 256GB $215
HDDRAMUSB
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $34G.SKILL Trident Z DDR4 3200 C14 4x16GB $630SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $66SanDisk Extreme 16GB $24
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