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WDC

PC SN520 SDAPNUW-256G-1006 256GB

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Release date ≈ Q4 2018.

Average Bench: 152% (153rd of 1071)

Based on 17,295 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1006
Poor: 80%Average: 152% Great: 197%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1006 256GB averaged 51.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-256G-1006 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 583MB/s
Avg. 4K-64Thread Write Speed 647MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1006 256GB is 117%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-256G-1006 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 340MB/s
Avg. Sequential Mixed IO Speed 711MB/s
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Average Bench

(Based on 17,295 samples)
Rank 153152%
Min Avg Max
490 Read 958 1,201
242 Write 844 1,200
314 Mixed 711 1,008
189 SusWrite 340 446
160% 713 MB/s
Min Avg Max
17.3 4K Read 45.9 49.1
37.2 4K Write 122 197
22.8 4K Mixed 55.1 73.9
205% 74.3 MB/s
Min Avg Max
317 DQ Read 712 860
171 DQ Write 647 1,107
186 DQ Mixed 583 733
464% 647 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
126GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 288 392 346 344 337 332 MB/s
175% Outstanding
Read 1163
Write 1,155
Mixed 1,002
SusWrite 340
205% 915 MB/s
4K Read 42.2
4K Write 119
4K Mixed 60.2
204% 73.9 MB/s
DQ Read 861
DQ Write 1,113
DQ Mixed 732
623% 902 MB/s
81GB free (System drive)
Firmware: 20110006
SusWrite @10s intervals: 264 230 225 241 209 205 MB/s
105% Outstanding
Read 925
Write 687
Mixed 714
SusWrite 229
142% 639 MB/s
4K Read 29.8
4K Write 52.4
4K Mixed 36.4
120% 39.5 MB/s
DQ Read 530
DQ Write 207
DQ Mixed 386
281% 374 MB/s
161GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 364 354 383 353 413 421 MB/s
84.3% Excellent
Read 456
Write 394
Mixed 385
SusWrite 381
91% 404 MB/s
4K Read 18.3
4K Write 42.7
4K Mixed 25.5
83% 28.8 MB/s
DQ Read 562
DQ Write 200
DQ Mixed 541
358% 434 MB/s
146GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 307 309 320 326 319 315 MB/s
63.6% Good
Read 505
Write 353
Mixed 351
SusWrite 316
85% 381 MB/s
4K Read 12.2
4K Write 24
4K Mixed 13.9
49% 16.7 MB/s
DQ Read 237
DQ Write 166
DQ Mixed 208
154% 204 MB/s
17,295 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,508,472 SSDs tested.

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical PC SN520 SDAPNUW-256G-1006 256GB Builds (Compare 4,217 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 178%
UFO
Desktop
Desktop 98%
Nuclear submarine
Workstation
Workstation 177%
UFO

System: HP OMEN 30L Desktop GT13-0xxx

CPU
Core i7-10700KIntel  $270Bench 97%, 198,859 samples1,240x
Core i9-10850KIntel  $299Bench 99%, 84,873 samples1,039x
Ryzen 7 3700XAMD  $255Bench 86%, 635,419 samples610x
GPU
RTX 3080Nvidia  $807Bench 187%, 424,051 samples1,367x
RTX 3090Nvidia  $1,500Bench 210%, 158,856 samples627x
RTX 2060Nvidia  $225Bench 90%, 645,160 samples465x
SSD
PC SN520 SDAPNUW-256G-1006 256GBWDCBench 152%, 17,295 samples1x
RAM
HP32D4U8D8HC-16X 2x16GBKingstonBench 97%, 1,949 samples716x
HP32D4U8S8HC-8XR 2x8GBKingstonBench 84%, 3,401 samples485x
HP32D4U8D8HC-16XR 2x16GBKingstonBench 98%, 1,304 samples413x
EDIT WITH CUSTOM PC BUILDER Value: 66% - Good Total price: $1,077

Popular PC SN520 SDAPNUW-256G-1006 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 2023 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.

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Speed Comparisons

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1071 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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $315Nvidia RTX 3060 $290Crucial MX500 250GB $30
Intel Core i5-12600K $225Nvidia RTX 3060-Ti $300Samsung 850 Evo 120GB $86
Intel Core i5-12400F $150Nvidia RTX 4070-Ti $800Samsung 860 Evo 250GB $51
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $67G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
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