Average Bench: 155% (110th of 1016)

Based on 555 user benchmarks.  Model: NVMe WDC PC SN520 SDA

Outstanding average bench

The Nvme WDC PC SN520 SDA 256GB averaged 55.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme WDC PC SN520 SDA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 639MB/s
Avg. 4K-64Thread Write Speed 730MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Nvme WDC PC SN520 SDA 256GB is 69%. This is a particularly wide range which indicates that the Nvme WDC PC SN520 SDA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 419MB/s
Avg. 4K Random Read Speed 38.8MB/s
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Average Bench

(Based on 555 samples)
Min Avg Max
661 Read 958 1,218
685 Write 1,073 1,234
501 Mixed 883 1,093
320 SusWrite 419 452
187% 833 MB/s
Min Avg Max
23.7 4K Read 38.8 48.5
71 4K Write 113 170
32.3 4K Mixed 54.3 69.4
188% 68.7 MB/s
Min Avg Max
371 DQ Read 754 860
317 DQ Write 730 986
283 DQ Mixed 639 732
508% 708 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
210GB free (System drive)
Firmware: 0000 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 498 472 430 430 429 430 MB/s
Read 1,212
Write 1,209
Mixed 1084
SusWrite 448
222% 988 MB/s
4K Read 48.2
4K Write 135
4K Mixed 66.5
230% 83.1 MB/s
DQ Read 853
DQ Write 759
DQ Mixed 724
565% 779 MB/s
185GB free (System drive)
Firmware: 20110000 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 437 465 421 424 423 421 MB/s
Read 918
Write 871
Mixed 810
SusWrite 432
170% 758 MB/s
4K Read 42.7
4K Write 118
4K Mixed 60.6
205% 73.7 MB/s
DQ Read 852
DQ Write 833
DQ Mixed 724
576% 803 MB/s
213GB free (System drive)
Firmware: 0001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 484 408 408 410 410 409 MB/s
Read 925
Write 1,177
Mixed 851
SusWrite 422
190% 844 MB/s
4K Read 41.5
4K Write 127
4K Mixed 57.6
204% 75.4 MB/s
DQ Read 844
DQ Write 712
DQ Mixed 714
552% 756 MB/s
170GB free (System drive)
Firmware: 0000 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 522 428 430 430 431 433 MB/s
Read 862
Write 1,204
Mixed 967
SusWrite 446
196% 870 MB/s
4K Read 40.2
4K Write 97.7
4K Mixed 55.2
183% 64.4 MB/s
DQ Read 848
DQ Write 846
DQ Mixed 719
575% 804 MB/s
211GB free (System drive)
Firmware: 20110000 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 548 396 396 399 372 348 MB/s
Read 1,114
Write 1,222
Mixed 698
SusWrite 410
193% 861 MB/s
4K Read 34.3
4K Write 123
4K Mixed 52.6
185% 70 MB/s
DQ Read 646
DQ Write 575
DQ Mixed 625
465% 615 MB/s
186GB free (System drive)
Firmware: 20110000 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 407 468 418 423 421 418 MB/s
Read 1,041
Write 1,106
Mixed 908
SusWrite 426
195% 870 MB/s
4K Read 36.8
4K Write 98.3
4K Mixed 52.3
175% 62.5 MB/s
DQ Read 797
DQ Write 557
DQ Mixed 590
464% 648 MB/s
198GB free (System drive)
Firmware: 0000 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 494 416 423 422 423 424 MB/s
Read 753
Write 1,095
Mixed 736
SusWrite 434
170% 754 MB/s
4K Read 41.6
4K Write 127
4K Mixed 34.9
175% 67.7 MB/s
DQ Read 786
DQ Write 644
DQ Mixed 709
532% 713 MB/s
555 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,546,356 SSDs tested.

Typical WDC PC SN520 SDA 256GB Builds (Compare 1,108 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 77%
Battleship
Workstation
Workstation 53%
Yacht

System: Asus TUF Gaming FX705GM_FX705GM

EDIT WITH CUSTOM PC BUILDER

Popular WDC PC SN520 SDA 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.
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  • - 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 $356Nvidia RTX 2060 $349Samsung 850 Pro 512GB $224
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 $653SanDisk Ultra Fit 32GB $16
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