Average Bench: 137% (160th of 1058)

Based on 14,959 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1002

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1002 256GB averaged 36.6% 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 587MB/s
Avg. 4K-64Thread Read Speed 716MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1002 256GB is 82.8%. 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 316MB/s
Avg. 4K Random Write Speed 96MB/s
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Average Bench

(Based on 14,959 samples)
Min Avg Max
580 Read 856 1,185
231 Write 775 1,183
318 Mixed 666 1,003
173 SusWrite 316 441
146% 653 MB/s
Min Avg Max
22.2 4K Read 41.1 43.8
39.1 4K Write 96 130
21.8 4K Mixed 50 62
177% 62.4 MB/s
Min Avg Max
359 DQ Read 716 858
178 DQ Write 576 916
223 DQ Mixed 587 731
455% 626 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
49GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 279 313 251 245 235 241 MB/s
Read 747
Write 563
Mixed 678
SusWrite 261
126% 562 MB/s
4K Read 41.4
4K Write 98.3
4K Mixed 57.2
188% 65.6 MB/s
DQ Read 830
DQ Write 591
DQ Mixed 673
513% 698 MB/s
126GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 418 302 250 258 256 242 MB/s
Read 888
Write 1,010
Mixed 463
SusWrite 287
148% 662 MB/s
4K Read 30.8
4K Write 84.7
4K Mixed 53.6
160% 56.4 MB/s
DQ Read 716
DQ Write 589
DQ Mixed 655
490% 653 MB/s
78GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 481 461 412 233 186 184 MB/s
Read 949
Write 1,122
Mixed 892
SusWrite 326
185% 822 MB/s
4K Read 33.2
4K Write 70
4K Mixed 45.4
146% 49.5 MB/s
DQ Read 686
DQ Write 486
DQ Mixed 587
438% 586 MB/s
142GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 416 430 418 409 424 456 MB/s
Read 678
Write 1,002
Mixed 776
SusWrite 426
163% 721 MB/s
4K Read 24.6
4K Write 86.1
4K Mixed 51.3
149% 54 MB/s
DQ Read 664
DQ Write 588
DQ Mixed 697
503% 650 MB/s
127GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 294 296 315 315 302 274 MB/s
Read 907
Write 859
Mixed 896
SusWrite 299
166% 740 MB/s
4K Read 29.9
4K Write 51.1
4K Mixed 34.5
117% 38.5 MB/s
DQ Read 550
DQ Write 415
DQ Mixed 354
299% 440 MB/s
14,959 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,208,176 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1002 256GB Builds (Compare 6,181 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 9%
Tree trunk
Desktop
Desktop 73%
Battleship
Workstation
Workstation 8%
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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Solid State Drive Rankings (Price vs Performance) September 2021 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

1058 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 i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $72G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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