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WDC

PC SN520 SDAPNUW-256G-1202 256GB

▲ 500 ▼

Release date ≈ Q4 2019.

Average Bench: 145% (159th of 1071)

Based on 4,206 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1202
Poor: 85%Average: 145% Great: 189%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1202 256GB averaged 45.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-256G-1202 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 570MB/s
Avg. 4K-64Thread Write Speed 574MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1202 256GB is 103%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-256G-1202 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 331MB/s
Avg. Sequential Mixed IO Speed 702MB/s
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Average Bench

(Based on 4,206 samples)
Rank 159145%
Min Avg Max
383 Read 948 1,201
289 Write 880 1,194
317 Mixed 702 1,016
190 SusWrite 331 443
160% 715 MB/s
Min Avg Max
18.7 4K Read 39 48.7
46 4K Write 117 177
25.3 4K Mixed 54.5 72.7
191% 70.1 MB/s
Min Avg Max
312 DQ Read 688 854
162 DQ Write 574 964
211 DQ Mixed 570 733
444% 611 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
146GB free (System drive)
Firmware: 20200000
SusWrite @10s intervals: 480 473 425 427 426 425 MB/s
168% Outstanding
Read 1,161
Write 1,136
Mixed 949
SusWrite 443
207% 922 MB/s
4K Read 39
4K Write 99.6
4K Mixed 55.3
183% 64.6 MB/s
DQ Read 829
DQ Write 882
DQ Mixed 728
583% 813 MB/s
74GB free (System drive)
Firmware: 20200000
SusWrite @10s intervals: 359 293 358 281 277 282 MB/s
155% Outstanding
Read 1187
Write 1,140
Mixed 700
SusWrite 308
186% 834 MB/s
4K Read 30.7
4K Write 93.4
4K Mixed 54.6
166% 59.6 MB/s
DQ Read 756
DQ Write 864
DQ Mixed 726
570% 782 MB/s
78GB free (System drive)
Firmware: 20200000
SusWrite @10s intervals: 292 239 309 228 225 224 MB/s
142% Outstanding
Read 979
Write 1,061
Mixed 408
SusWrite 253
150% 675 MB/s
4K Read 39.4
4K Write 101
4K Mixed 57.5
187% 65.9 MB/s
DQ Read 813
DQ Write 472
DQ Mixed 657
485% 648 MB/s
90GB free (System drive)
Firmware: 20200000
SusWrite @10s intervals: 250 279 225 227 235 232 MB/s
129% Outstanding
Read 864
Write 813
Mixed 802
SusWrite 242
152% 680 MB/s
4K Read 36.1
4K Write 108
4K Mixed 54
181% 65.9 MB/s
DQ Read 690
DQ Write 362
DQ Mixed 634
442% 562 MB/s
116GB free (System drive)
Firmware: 20200000
SusWrite @10s intervals: 472 335 335 349 320 321 MB/s
129% Outstanding
Read 939
Write 918
Mixed 587
SusWrite 355
157% 700 MB/s
4K Read 26.9
4K Write 94.9
4K Mixed 42
145% 54.6 MB/s
DQ Read 508
DQ Write 597
DQ Mixed 619
448% 575 MB/s
4,206 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,508,965 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-1202 256GB Builds (Compare 377 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 57%
Gunboat
Desktop
Desktop 78%
Battleship
Workstation
Workstation 50%
Yacht

System: Asus ROG Strix GL10DH_GL10DH

CPU
Ryzen 5 3400GAMD  $112Bench 68%, 93,718 samples190x
Ryzen 7 3700XAMD  $255Bench 86%, 635,419 samples130x
Ryzen 7 2700AMD  $135Bench 74%, 123,820 samples38x
GPU
GTX 1660-TiNvidia  $240Bench 76%, 318,562 samples98x
GTX 1650Nvidia  $155Bench 43%, 259,091 samples70x
GeForce GTX 1650NvidiaBench 47%, 22,284 samples64x
SSD
PC SN520 SDAPNUW-256G-1202 256GBWDCBench 145%, 4,206 samples30x
RAM
M378A1K43CB2-CTD 2x8GBSamsungBench 80%, 29,586 samples100x
M378A1K43CB2-CTD 1x8GBSamsungBench 43%, 19,029 samples41x
HMA82GU6CJR8N-VK 1x16GBHynixBench 48%, 5,791 samples38x
EDIT WITH CUSTOM PC BUILDER Value: 79% - Very good Total price: $352

Popular PC SN520 SDAPNUW-256G-1202 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

Gaming Desktop ProGaming

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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