Average Bench: 135% (160th of 1058)

Based on 1,898 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1014

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1014 256GB averaged 35.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-256G-1014 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 514MB/s
Avg. 4K-64Thread Read Speed 648MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1014 256GB is 104%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-256G-1014 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 341MB/s
Avg. 4K Random Write Speed 98.7MB/s
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Average Bench

(Based on 1,898 samples)
Min Avg Max
408 Read 877 1,214
306 Write 829 1,205
343 Mixed 692 1,079
199 SusWrite 341 442
153% 685 MB/s
Min Avg Max
17.7 4K Read 37.6 46.6
38.7 4K Write 98.7 150
23.3 4K Mixed 49.2 67.7
172% 61.8 MB/s
Min Avg Max
213 DQ Read 648 854
128 DQ Write 525 1,008
130 DQ Mixed 514 732
405% 563 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
183GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 476 424 427 385 348 345 MB/s
Read 1,186
Write 1190
Mixed 1,006
SusWrite 401
212% 946 MB/s
4K Read 43.4
4K Write 139
4K Mixed 64.3
222% 82.1 MB/s
DQ Read 828
DQ Write 914
DQ Mixed 719
583% 821 MB/s
190GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 487 422 422 422 424 365 MB/s
Read 1,187
Write 1,145
Mixed 1,012
SusWrite 424
211% 942 MB/s
4K Read 40
4K Write 109
4K Mixed 56
190% 68.3 MB/s
DQ Read 790
DQ Write 527
DQ Mixed 646
485% 654 MB/s
174GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 417 457 424 407 421 424 MB/s
Read 846
Write 1,104
Mixed 629
SusWrite 425
169% 751 MB/s
4K Read 28.8
4K Write 130
4K Mixed 53.9
182% 70.9 MB/s
DQ Read 682
DQ Write 528
DQ Mixed 598
450% 603 MB/s
98GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 345 320 315 246 171 128 MB/s
Read 1,064
Write 828
Mixed 981
SusWrite 254
175% 782 MB/s
4K Read 38.4
4K Write 79.3
4K Mixed 51.8
166% 56.5 MB/s
DQ Read 787
DQ Write 257
DQ Mixed 256
259% 433 MB/s
197GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 442 419 395 400 408 411 MB/s
Read 1,052
Write 999
Mixed 682
SusWrite 412
176% 786 MB/s
4K Read 23.1
4K Write 66.1
4K Mixed 24.5
101% 37.9 MB/s
DQ Read 541
DQ Write 232
DQ Mixed 425
305% 399 MB/s
142GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 277 273 270 266 266 271 MB/s
Read 346
Write 315
Mixed 322
SusWrite 270
71% 313 MB/s
4K Read 27.2
4K Write 56.7
4K Mixed 37.1
119% 40.3 MB/s
DQ Read 436
DQ Write 358
DQ Mixed 415
306% 403 MB/s
35GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 223 177 144 151 146 143 MB/s
Read 439
Write 405
Mixed 395
SusWrite 164
79% 351 MB/s
4K Read 32.9
4K Write 61.3
4K Mixed 38.3
131% 44.2 MB/s
DQ Read 35.1
DQ Write 70.7
DQ Mixed 45.8
37% 50.5 MB/s
1,898 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 49,498,523 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1014 256GB Builds (Compare 1,235 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 14%
Tree trunk
Desktop
Desktop 71%
Battleship
Workstation
Workstation 12%
Tree trunk

System: Acer Aspire A515-44

EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-256G-1014 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.
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Solid State Drive Rankings (Price vs Performance) December 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 i5-12600K $300Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11600K $220Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $315Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $67SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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