Average Bench: 149% (129th of 1037)

Based on 8,054 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1006

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1006 256GB averaged 49.3% 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 618MB/s
Avg. 4K-64Thread Write Speed 683MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1006 256GB is 103%. 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 380MB/s
Avg. Sequential Mixed IO Speed 711MB/s
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Average Bench

(Based on 8,054 samples)
Min Avg Max
439 Read 919 1,199
308 Write 867 1,211
328 Mixed 711 1,012
246 SusWrite 380 445
161% 719 MB/s
Min Avg Max
19.9 4K Read 37.4 48.4
55.6 4K Write 118 175
25.4 4K Mixed 54.1 72.2
188% 69.8 MB/s
Min Avg Max
400 DQ Read 718 858
263 DQ Write 683 1,052
334 DQ Mixed 618 733
486% 673 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
188GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 515 422 420 421 422 421 MB/s
Read 946
Write 1,156
Mixed 620
SusWrite 437
177% 790 MB/s
4K Read 48
4K Write 172
4K Mixed 72.3
256% 97.3 MB/s
DQ Read 856
DQ Write 991
DQ Mixed 738
608% 862 MB/s
190GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 417 459 419 419 420 420 MB/s
Read 842
Write 1127
Mixed 657
SusWrite 426
172% 763 MB/s
4K Read 47.9
4K Write 167
4K Mixed 71.6
253% 95.6 MB/s
DQ Read 854
DQ Write 947
DQ Mixed 682
574% 828 MB/s
171GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 584 429 421 419 423 423 MB/s
Read 786
Write 1121
Mixed 753
SusWrite 450
175% 777 MB/s
4K Read 43.3
4K Write 159
4K Mixed 70
240% 90.9 MB/s
DQ Read 853
DQ Write 856
DQ Mixed 732
584% 814 MB/s
190GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 511 424 424 426 428 427 MB/s
Read 643
Write 718
Mixed 650
SusWrite 440
138% 613 MB/s
4K Read 39.7
4K Write 119
4K Mixed 58.7
198% 72.5 MB/s
DQ Read 800
DQ Write 882
DQ Mixed 734
582% 806 MB/s
8,054 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 31,662,805 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1006 256GB Builds (Compare 777 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 62%
Destroyer
Desktop
Desktop 88%
Aircraft carrier
Workstation
Workstation 58%
Gunboat

System: HP OMEN 30L Desktop GT13-0xxx

EDIT WITH CUSTOM PC BUILDER Value: 82% - Excellent Total price: $405

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.
  • - 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 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

1037 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 i5-9600K $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $44
Intel Core i5-9400F $140Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $299Nvidia RTX 2070S (Super) $505Samsung 860 Evo 250GB $42
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 32GB $30
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Extreme 16GB $28
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