Average Bench: 156% (113th of 1021)

Based on 801 user benchmarks.  Model: NVMe WDC PC SN520 SDA

Outstanding average bench

The Nvme WDC PC SN520 SDA 256GB averaged 55.7% 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 638MB/s
Avg. 4K-64Thread Write Speed 714MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Nvme WDC PC SN520 SDA 256GB is 75%. 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 405MB/s
Avg. 4K Random Read Speed 39.1MB/s
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Average Bench

(Based on 801 samples)
Min Avg Max
706 Read 979 1,227
684 Write 1,072 1,233
482 Mixed 881 1,098
278 SusWrite 405 452
187% 834 MB/s
Min Avg Max
24.4 4K Read 39.1 48.6
66.7 4K Write 116 171
29.6 4K Mixed 54.9 70.5
191% 70.1 MB/s
Min Avg Max
445 DQ Read 755 859
317 DQ Write 714 989
316 DQ Mixed 638 731
505% 702 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
195GB free (System drive)
Firmware: 0000 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 508 466 422 425 423 424 MB/s
Read 1,196
Write 1,220
Mixed 1,098
SusWrite 444
222% 989 MB/s
4K Read 48.1
4K Write 174
4K Mixed 70.2
255% 97.5 MB/s
DQ Read 856
DQ Write 836
DQ Mixed 726
578% 806 MB/s
195GB free (System drive)
Firmware: 0000 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 550 421 422 425 422 423 MB/s
Read 1,214
Write 1,220
Mixed 1,071
SusWrite 444
222% 987 MB/s
4K Read 47.1
4K Write 154
4K Mixed 68.6
241% 89.9 MB/s
DQ Read 858
DQ Write 804
DQ Mixed 716
569% 793 MB/s
136GB free (System drive)
Firmware: 20110000 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 457 412 312 310 280 282 MB/s
Read 1,134
Write 1,047
Mixed 989
SusWrite 342
197% 878 MB/s
4K Read 47.8
4K Write 138
4K Mixed 63.4
227% 83.2 MB/s
DQ Read 861
DQ Write 915
DQ Mixed 720
588% 832 MB/s
238GB free
Firmware: 20210001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 583 411 416 412 421 425 MB/s
Read 1,183
Write 1174
Mixed 999
SusWrite 445
213% 950 MB/s
4K Read 42.8
4K Write 115
4K Mixed 23.2
155% 60.3 MB/s
DQ Read 728
DQ Write 715
DQ Mixed 690
527% 711 MB/s
85GB free (System drive)
Firmware: 20110000 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 264 284 221 214 216 209 MB/s
Read 998
Write 1,063
Mixed 610
SusWrite 235
162% 727 MB/s
4K Read 43.6
4K Write 133
4K Mixed 63.3
218% 80 MB/s
DQ Read 755
DQ Write 501
DQ Mixed 536
425% 597 MB/s
84GB free (System drive)
Firmware: 20240001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 420 397 447 407 410 411 MB/s
Read 1,122
Write 1190
Mixed 844
SusWrite 415
200% 893 MB/s
4K Read 33.8
4K Write 87.2
4K Mixed 47.3
158% 56.1 MB/s
DQ Read 664
DQ Write 426
DQ Mixed 604
434% 565 MB/s
187GB free (System drive)
Firmware: 0001 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 401 287 343 278 279 286 MB/s
Read 689
Write 898
Mixed 535
SusWrite 312
137% 609 MB/s
4K Read 18.7
4K Write 68.5
4K Mixed 21.9
93% 36.4 MB/s
DQ Read 568
DQ Write 525
DQ Mixed 520
398% 538 MB/s
801 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 26,445,205 SSDs tested.

Typical WDC PC SN520 SDA 256GB Builds (Compare 1,428 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 61%
Destroyer

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.
  • - 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) May 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

1021 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 $199Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $365Nvidia RTX 2070S (Super) $500Samsung 860 Evo 250GB $55
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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