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Nvme

WDC PC SN520 SDAPNUW-256G-1002 256GB

▲ 500 ▼

Release date ≈ Q1 2021.

Average Bench: 143% (164th of 1072)

Based on 33 user benchmarks.  Model: NVMe WDC PC SN520 SDAPNUW-256G-1002
Poor: 95%Average: 143% Great: 167%

Popular builds with this SSD

Outstanding average bench

The Nvme WDC PC SN520 SDAPNUW-256G-1002 256GB averaged 43.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme WDC PC SN520 SDAPNUW-256G-1002 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 562MB/s
Avg. 4K-64Thread Read Speed 702MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Nvme WDC PC SN520 SDAPNUW-256G-1002 256GB is 71.4%. This is a particularly wide range which indicates that the Nvme WDC PC SN520 SDAPNUW-256G-1002 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 356MB/s
Avg. 4K Random Write Speed 92.7MB/s
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Average Bench

(Based on 33 samples)
Rank 164143%
Min Avg Max
201 Read 958 3,352
45.2 Write 918 1,199
90.9 Mixed 740 1087
55.3 SusWrite 356 457
166% 743 MB/s
Min Avg Max
7.9 4K Read 50.5 578
2.9 4K Write 92.7 188
5.9 4K Mixed 47 65.7
186% 63.4 MB/s
Min Avg Max
222 DQ Read 702 867
148 DQ Write 536 1,128
239 DQ Mixed 562 736
436% 600 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
85GB free (System drive)
Firmware: 20110000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 472 249 271 265 259 253 MB/s
162% Outstanding
Read 1090
Write 1,157
Mixed 496
SusWrite 295
169% 759 MB/s
4K Read 35.8
4K Write 122
4K Mixed 58.2
194% 72.1 MB/s
DQ Read 837
DQ Write 984
DQ Mixed 727
599% 849 MB/s
175GB free (System drive)
Firmware: 20110000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 462 424 400 416 426 426 MB/s
148% Outstanding
Read 984
Write 1,100
Mixed 927
SusWrite 426
193% 859 MB/s
4K Read 38.2
4K Write 121
4K Mixed 52.1
189% 70.6 MB/s
DQ Read 672
DQ Write 449
DQ Mixed 528
403% 550 MB/s
172GB free (System drive)
Firmware: 20110000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 452 489 433 433 435 432 MB/s
136% Outstanding
Read 855
Write 1,082
Mixed 573
SusWrite 446
166% 739 MB/s
4K Read 35.9
4K Write 81
4K Mixed 48.9
160% 55.3 MB/s
DQ Read 614
DQ Write 484
DQ Mixed 545
409% 548 MB/s
109GB free (System drive)
Firmware: 20110000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 352 294 252 248 246 255 MB/s
70% Very good
Read 678
Write 861
Mixed 685
SusWrite 274
141% 624 MB/s
4K Read 16.5
4K Write 25.9
4K Mixed 18.8
63% 20.4 MB/s
DQ Read 167
DQ Write 131
DQ Mixed 150
112% 149 MB/s
33 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,811,125 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 WDC PC SN520 SDAPNUW-256G-1002 256GB Builds (Compare 1,659 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 79%
Battleship
Desktop
Desktop 89%
Aircraft carrier
Workstation
Workstation 66%
Battle cruiser

System: Asus ROG Strix GL10CS_GL10CS

CPU
Core i5-9400FIntel  $98Bench 85%, 299,482 samples702x
Core i7-9700KIntel  $265Bench 97%, 550,833 samples449x
Core i5-9400Intel  $161Bench 86%, 22,187 samples247x
GPU
RTX 2060Nvidia  $324Bench 90%, 645,160 samples268x
GTX 1650Nvidia  $155Bench 43%, 259,091 samples265x
GTX 1660Nvidia  $209Bench 68%, 230,793 samples249x
SSD
WDC PC SN520 SDAPNUW-256G-1002 256GBNvmeBench 143%, 33 samples1x
RAM
HMA81GU6CJR8N-VK 2x8GBHynixBench 80%, 9,970 samples207x
HMA81GU6CJR8N-VK 1x8GBHynixBench 44%, 10,608 samples137x
M378A1K43CB2-CTD 1x8GBSamsungBench 43%, 19,029 samples128x
EDIT WITH CUSTOM PC BUILDER Value: 77% - Very good Total price: $422

Popular WDC 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 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 value for money 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) May 2024 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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1072 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?
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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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