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WDC

PC SN520 SDAPNUW-256G-1006 256GB

▲ 501 ▼

Release date ≈ Q4 2018.

Average Bench: 148% (147th of 1058)

Based on 17,764 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1006
Poor: 77%Average: 148% Great: 191%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1006 256GB averaged 47.6% 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 584MB/s
Avg. 4K-64Thread Write Speed 633MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1006 256GB is 114%. 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 332MB/s
Avg. Sequential Mixed IO Speed 701MB/s
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Average Bench

(Based on 17,764 samples)
Rank 147148%
Min Avg Max
493 Read 948 1,202
239 Write 857 1,202
302 Mixed 701 1,007
158 SusWrite 332 444
159% 709 MB/s
Min Avg Max
16.5 4K Read 42.5 48.9
29.4 4K Write 118 181
16.9 4K Mixed 53.8 73.2
196% 71.3 MB/s
Min Avg Max
288 DQ Read 699 859
130 DQ Write 633 1,046
182 DQ Mixed 584 732
460% 639 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
205GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 405 461 416 425 423 425 MB/s
191% Outstanding
Read 1,198
Write 1,221
Mixed 1,014
SusWrite 426
216% 965 MB/s
4K Read 48.4
4K Write 166
4K Mixed 71.4
253% 95.2 MB/s
DQ Read 862
DQ Write 898
DQ Mixed 728
589% 829 MB/s
162GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 504 419 417 416 418 420 MB/s
191% Outstanding
Read 973
Write 899
Mixed 610
SusWrite 432
163% 729 MB/s
4K Read 35.3
4K Write 207
4K Mixed 74.6
259% 106 MB/s
DQ Read 846
DQ Write 1,179
DQ Mixed 725
628% 916 MB/s
185GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 456 405 361 318 339 322 MB/s
153% Outstanding
Read 945
Write 900
Mixed 794
SusWrite 367
168% 752 MB/s
4K Read 40.9
4K Write 110
4K Mixed 56.2
192% 69 MB/s
DQ Read 855
DQ Write 628
DQ Mixed 710
539% 731 MB/s
17,764 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 57,419,383 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 9,632 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 78%
Battleship
Desktop
Desktop 88%
Aircraft carrier
Workstation
Workstation 81%
Aircraft carrier

System: HP OMEN 30L Desktop GT13-0xxx

CPU
Ryzen 7 3700XAMD  $286Bench 84%, 779,952 samples2,755x
Ryzen 5 3600AMD  $133Bench 81%, 1,068,225 samples1,977x
Core i7-10700KIntel  $280Bench 96%, 188,454 samples1,870x
GPU
RTX 2060Nvidia  $265Bench 88%, 593,655 samples2,189x
RTX 3080Nvidia  $760Bench 208%, 335,730 samples1,981x
GTX 1660S (Super)Nvidia  $222Bench 71%, 373,044 samples1,634x
SSD
PC SN520 SDAPNUW-256G-1006 256GBWDCBench 148%, 17,764 samples1,401x
RAM
HP32D4U8S8HC-8XR 2x8GBKingstonBench 84%, 3,368 samples2,219x
HP32D4U8D8HC-16X 2x16GBKingstonBench 97%, 1,925 samples1,303x
HP32D4U8S8ME-8XR 2x8GBKingstonBench 84%, 1,348 samples832x
EDIT WITH CUSTOM PC BUILDER Value: 81% - Excellent Total price: $551

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.

UserBenchmark of the month

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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) August 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.

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Speed Comparisons

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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

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 i5-12600K $275Nvidia RTX 3060-Ti $470Crucial MX500 250GB $40
Intel Core i5-12400F $160Nvidia RTX 3070 $535Samsung 850 Evo 120GB $106
Intel Core i7-12700K $350Nvidia RTX 3050 $325Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $58SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $33Corsair Vengeance LPX DDR4 3000 C15 2x8GB $64SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $449SanDisk Ultra Fit 32GB $16
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