Average Bench: 130% (164th of 1058)

Based on 2,235 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1014

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1014 256GB averaged 30.4% 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 478MB/s
Avg. 4K-64Thread Read Speed 616MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1014 256GB is 109%. 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 320MB/s
Avg. 4K Random Write Speed 94.6MB/s
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Average Bench

(Based on 2,235 samples)
Min Avg Max
376 Read 879 1,209
271 Write 806 1,190
320 Mixed 679 1,073
172 SusWrite 320 442
150% 671 MB/s
Min Avg Max
15.5 4K Read 38.9 47.3
27.4 4K Write 94.6 156
16.9 4K Mixed 46.9 68.3
169% 60.2 MB/s
Min Avg Max
156 DQ Read 616 856
108 DQ Write 462 930
120 DQ Mixed 478 730
374% 519 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
161GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 382 478 428 418 422 425 MB/s
Read 1211
Write 1131
Mixed 1,082
SusWrite 426
216% 962 MB/s
4K Read 46.6
4K Write 130
4K Mixed 65.3
223% 80.6 MB/s
DQ Read 851
DQ Write 502
DQ Mixed 618
476% 657 MB/s
154GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 391 288 270 287 250 294 MB/s
Read 1,197
Write 1,187
Mixed 1,114
SusWrite 296
213% 948 MB/s
4K Read 43.8
4K Write 156
4K Mixed 66.4
234% 88.8 MB/s
DQ Read 832
DQ Write 660
DQ Mixed 729
550% 740 MB/s
151GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 350 336 322 321 315 314 MB/s
Read 866
Write 1,065
Mixed 384
SusWrite 326
148% 660 MB/s
4K Read 31.7
4K Write 110
4K Mixed 51.6
172% 64.4 MB/s
DQ Read 632
DQ Write 469
DQ Mixed 519
396% 540 MB/s
138GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 243 261 195 244 242 266 MB/s
Read 350
Write 293
Mixed 283
SusWrite 242
66% 292 MB/s
4K Read 21.3
4K Write 76.2
4K Mixed 31.2
113% 42.9 MB/s
DQ Read 416
DQ Write 264
DQ Mixed 287
228% 322 MB/s
161GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 217 198 218 228 246 236 MB/s
Read 358
Write 271
Mixed 325
SusWrite 224
66% 294 MB/s
4K Read 10.4
4K Write 24
4K Mixed 17.3
51% 17.2 MB/s
DQ Read 122
DQ Write 93.3
DQ Mixed 27.5
42% 80.8 MB/s
2,235 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 56,071,253 SSDs tested.

Typical PC SN520 SDAPNUW-256G-1014 256GB Builds (Compare 1,426 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.
  • - Compare your in-game FPS to other users with your hardware.
Solid State Drive Rankings (Price vs Performance) June 2022 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
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Intel Core i5-12400F $170Nvidia RTX 3070 $500Samsung 850 Evo 120GB $111
Intel Core i7-12700K $380Nvidia RTX 3050 $250Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $33Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $470SanDisk Ultra Fit 32GB $16
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