Average Bench: 137% (145th of 1040)

Based on 10,786 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1002

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1002 256GB averaged 37.1% 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 598MB/s
Avg. 4K-64Thread Write Speed 612MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1002 256GB is 82.3%. 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 321MB/s
Avg. 4K Random Write Speed 97.8MB/s
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Average Bench

(Based on 10,786 samples)
Min Avg Max
540 Read 840 1,182
295 Write 800 1,200
354 Mixed 687 1,005
171 SusWrite 321 444
148% 662 MB/s
Min Avg Max
22.8 4K Read 38.9 43.8
43.2 4K Write 97.8 135
27.3 4K Mixed 51 63.1
176% 62.5 MB/s
Min Avg Max
337 DQ Read 720 858
178 DQ Write 612 979
250 DQ Mixed 598 732
466% 643 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
78GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 484 454 428 429 426 334 MB/s
Read 1,177
Write 1163
Mixed 994
SusWrite 426
211% 940 MB/s
4K Read 43.2
4K Write 118
4K Mixed 59.5
204% 73.7 MB/s
DQ Read 849
DQ Write 719
DQ Mixed 708
551% 759 MB/s
98GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 237 361 304 295 295 288 MB/s
Read 761
Write 643
Mixed 649
SusWrite 296
132% 587 MB/s
4K Read 43.6
4K Write 98.1
4K Mixed 59.6
194% 67.1 MB/s
DQ Read 853
DQ Write 550
DQ Mixed 662
504% 688 MB/s
39GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 368 350 299 270 252 234 MB/s
Read 665
Write 564
Mixed 620
SusWrite 295
120% 536 MB/s
4K Read 35.7
4K Write 109
4K Mixed 56.2
184% 66.9 MB/s
DQ Read 796
DQ Write 681
DQ Mixed 679
525% 719 MB/s
169GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 495 419 412 468 419 419 MB/s
Read 904
Write 208
Mixed 884
SusWrite 439
136% 609 MB/s
4K Read 37.7
4K Write 78.4
4K Mixed 51.2
164% 55.8 MB/s
DQ Read 394
DQ Write 276
DQ Mixed 360
262% 343 MB/s
10,786 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 34,875,932 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1002 256GB Builds (Compare 3,839 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 10%
Tree trunk
Desktop
Desktop 75%
Battleship
Workstation
Workstation 9%
Tree trunk

System: Asus ROG Strix G531GT_G531GT

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) November 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

1040 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 $187Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $34
Intel Core i5-9400F $153Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $190Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $64SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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