Average Bench: 142% (125th of 1016)

Based on 7,272 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1002

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1002 256GB averaged 42.1% 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 615MB/s
Avg. 4K-64Thread Write Speed 642MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1002 256GB is 77.7%. 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 372MB/s
Avg. Sequential Mixed IO Speed 707MB/s
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Average Bench

(Based on 7,272 samples)
Min Avg Max
556 Read 850 1,185
425 Write 843 1,194
407 Mixed 707 1,034
218 SusWrite 372 445
156% 693 MB/s
Min Avg Max
21.2 4K Read 37.5 44.5
45.9 4K Write 103 134
26.1 4K Mixed 52 63.6
178% 64.3 MB/s
Min Avg Max
319 DQ Read 717 859
189 DQ Write 642 975
251 DQ Mixed 615 732
479% 658 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
130GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 554 428 432 429 432 404 MB/s
Read 1,036
Write 1,150
Mixed 1,000
SusWrite 446
204% 908 MB/s
4K Read 41.4
4K Write 101
4K Mixed 56.1
188% 66.1 MB/s
DQ Read 856
DQ Write 879
DQ Mixed 725
584% 820 MB/s
179GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 623 423 426 429 370 335 MB/s
Read 1,204
Write 1,210
Mixed 1,095
SusWrite 434
221% 986 MB/s
4K Read 41.5
4K Write 111
4K Mixed 58.3
196% 70.3 MB/s
DQ Read 585
DQ Write 516
DQ Mixed 528
402% 543 MB/s
142GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 508 427 431 428 433 387 MB/s
Read 789
Write 786
Mixed 778
SusWrite 436
157% 697 MB/s
4K Read 40.4
4K Write 105
4K Mixed 56.3
189% 67.3 MB/s
DQ Read 849
DQ Write 835
DQ Mixed 725
577% 803 MB/s
169GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 409 397 411 376 413 412 MB/s
Read 863
Write 1,011
Mixed 852
SusWrite 403
176% 782 MB/s
4K Read 38.5
4K Write 114
4K Mixed 47.9
180% 66.9 MB/s
DQ Read 600
DQ Write 566
DQ Mixed 431
365% 532 MB/s
135GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 411 299 313 308 286 306 MB/s
Read 843
Write 972
Mixed 815
SusWrite 320
166% 738 MB/s
4K Read 30.8
4K Write 74.7
4K Mixed 45.6
145% 50.4 MB/s
DQ Read 842
DQ Write 759
DQ Mixed 718
561% 773 MB/s
7,272 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,625,156 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1002 256GB Builds (Compare 2,830 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) 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

 Best User Rated

The Best.
CPUGPUSSD
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Intel Core i5-9600K $218Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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