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WDC

PC SN520 SDAPNUW-256G-1032 256GB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 151% (112th of 1012)

Based on 552 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1032
Poor: 103%Average: 151% Great: 177%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1032 256GB averaged 50.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-256G-1032 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 643MB/s
Avg. 4K-64Thread Write Speed 767MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1032 256GB is 74.1%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-256G-1032 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 410MB/s
Avg. Sequential Mixed IO Speed 730MB/s
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Average Bench

(Based on 552 samples)
Rank 112151%
Min Avg Max
614 Read 859 1,153
575 Write 851 1,132
488 Mixed 730 954
298 SusWrite 410 451
160% 713 MB/s
Min Avg Max
24.4 4K Read 37.5 46.4
51.4 4K Write 111 146
24.1 4K Mixed 53.8 66.9
185% 67.5 MB/s
Min Avg Max
307 DQ Read 765 861
240 DQ Write 767 1,037
272 DQ Mixed 643 734
517% 725 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
172GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 436 397 415 413 414 408 MB/s
161% Outstanding
Read 908
Write 933
Mixed 832
SusWrite 414
173% 772 MB/s
4K Read 41.2
4K Write 116
4K Mixed 58.3
198% 71.8 MB/s
DQ Read 834
DQ Write 860
DQ Mixed 734
583% 809 MB/s
169GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 417 409 410 410 411 411 MB/s
156% Outstanding
Read 908
Write 1,087
Mixed 796
SusWrite 411
180% 800 MB/s
4K Read 41
4K Write 120
4K Mixed 57.4
199% 72.9 MB/s
DQ Read 845
DQ Write 625
DQ Mixed 392
386% 621 MB/s
161GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 457 426 418 420 421 421 MB/s
155% Outstanding
Read 640
Write 613
Mixed 615
SusWrite 427
129% 574 MB/s
4K Read 45.2
4K Write 127
4K Mixed 64.2
218% 78.8 MB/s
DQ Read 840
DQ Write 760
DQ Mixed 731
567% 777 MB/s
87GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 296 375 227 234 231 232 MB/s
152% Outstanding
Read 1089
Write 1031
Mixed 907
SusWrite 266
184% 823 MB/s
4K Read 37.3
4K Write 101
4K Mixed 52.3
177% 63.6 MB/s
DQ Read 853
DQ Write 826
DQ Mixed 573
503% 751 MB/s
122GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 401 331 345 333 331 321 MB/s
146% Outstanding
Read 836
Write 1,117
Mixed 612
SusWrite 344
164% 727 MB/s
4K Read 36.5
4K Write 100
4K Mixed 52.7
176% 63.2 MB/s
DQ Read 856
DQ Write 812
DQ Mixed 718
571% 796 MB/s
95GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 335 289 316 259 265 275 MB/s
102% Outstanding
Read 699
Write 701
Mixed 610
SusWrite 290
129% 575 MB/s
4K Read 26.3
4K Write 72.3
4K Mixed 39.5
129% 46 MB/s
DQ Read 426
DQ Write 288
DQ Mixed 58.2
124% 257 MB/s
133GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 444 433 401 381 390 412 MB/s
88% Excellent
Read 673
Write 679
Mixed 623
SusWrite 410
134% 596 MB/s
4K Read 23.5
4K Write 36.7
4K Mixed 21.2
82% 27.1 MB/s
DQ Read 321
DQ Write 176
DQ Mixed 253
187% 250 MB/s
552 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,944,221 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-1032 256GB Builds (Compare 1,180 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 76%
Battleship
Workstation
Workstation 52%
Yacht

Motherboard: MSI MS-16P7

CPU
Core i7-8750HIntelBench 73%, 193,114 samples826x
Core i7-9750HIntelBench 77%, 42,292 samples279x
Core i5-8300HIntelBench 67%, 58,945 samples47x
GPU
UHD Graphics 630IntelBench 6%, 135,075 samples584x
GeForce RTX 2060NvidiaBench 65%, 9,671 samples295x
GeForce GTX 1660 TiNvidiaBench 63%, 7,190 samples160x
SSD
PC SN520 SDAPNUW-256G-1032 256GBWDCBench 151%, 552 samples76x
RAM
MSI26D4S9D8ME-16 1x16GBKingstonBench 45%, 956 samples201x
M471A1K43CB1-CTD 2x8GBSamsungBench 78%, 27,070 samples191x
HMA81GS6CJR8N-VK 2x8GBHynixBench 75%, 8,468 samples146x
EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-256G-1032 256GB compatible motherboards:

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 Workstation

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.
  • - 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.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) December 2019 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

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Age: 8 months

Speed Comparisons

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1012 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 i5-9400F $145Nvidia GTX 1660S (Super) $244Crucial MX500 250GB $44
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 850 Pro 512GB $230
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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