Average Bench: 139% (141st of 1030)

Based on 10,225 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1002

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1002 256GB averaged 38.7% 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 608MB/s
Avg. 4K-64Thread Write Speed 632MB/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 345MB/s
Avg. 4K Random Write Speed 100MB/s
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Average Bench

(Based on 10,225 samples)
Min Avg Max
533 Read 828 1,141
320 Write 795 1,178
355 Mixed 690 994
204 SusWrite 345 449
149% 665 MB/s
Min Avg Max
23.6 4K Read 37.7 43.5
51 4K Write 100 131
29.9 4K Mixed 51.5 63
176% 63.2 MB/s
Min Avg Max
396 DQ Read 718 858
178 DQ Write 632 1,007
264 DQ Mixed 608 733
474% 652 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
147GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 503 445 421 422 421 411 MB/s
Read 1,042
Write 954
Mixed 800
SusWrite 437
181% 809 MB/s
4K Read 42.3
4K Write 119
4K Mixed 60.6
205% 74 MB/s
DQ Read 859
DQ Write 820
DQ Mixed 726
576% 802 MB/s
147GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 557 423 421 422 423 413 MB/s
Read 966
Write 843
Mixed 788
SusWrite 443
170% 760 MB/s
4K Read 42
4K Write 122
4K Mixed 61
206% 74.9 MB/s
DQ Read 861
DQ Write 842
DQ Mixed 721
577% 808 MB/s
160GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 326 350 315 314 310 305 MB/s
Read 870
Write 1,160
Mixed 608
SusWrite 320
166% 740 MB/s
4K Read 29.7
4K Write 82.4
4K Mixed 41.6
142% 51.2 MB/s
DQ Read 812
DQ Write 765
DQ Mixed 669
535% 749 MB/s
167GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 410 292 338 326 341 313 MB/s
Read 748
Write 644
Mixed 649
SusWrite 337
133% 594 MB/s
4K Read 34.8
4K Write 65.6
4K Mixed 44.7
145% 48.4 MB/s
DQ Read 462
DQ Write 294
DQ Mixed 396
290% 384 MB/s
10,225 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 29,806,534 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1002 256GB Builds (Compare 3,865 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 26%
Raft
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 23%
Surfboard

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) August 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

1030 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 $192Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $43
Intel Core i5-9400F $151Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $325Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $47
HDDRAMUSB
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $60SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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