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WDC

PC SN520 SDAPNUW-512G-1014 512GB

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Release date ≈ Q1 2019.

Average Bench: 167% (121st of 1058)

Based on 14,574 user benchmarks.  Model: WDC PC SN520 SDAPNUW-512G-1014
Poor: 111%Average: 167% Great: 209%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-512G-1014 512GB averaged 67.3% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-512G-1014 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 719MB/s
Avg. 4K-64Thread Read Speed 855MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-512G-1014 512GB is 97.4%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-512G-1014 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 592MB/s
Avg. 4K Random Write Speed 107MB/s
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Average Bench

(Based on 14,574 samples)
Rank 121167%
Min Avg Max
615 Read 999 1214
383 Write 1,057 1,325
507 Mixed 981 1,204
303 SusWrite 592 777
204% 907 MB/s
Min Avg Max
24.8 4K Read 39 47.1
55.7 4K Write 107 158
32.1 4K Mixed 54.8 68.3
186% 67 MB/s
Min Avg Max
418 DQ Read 855 1,077
205 DQ Write 658 1,117
223 DQ Mixed 719 1,078
548% 744 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
394GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 638 344 377 378 437 390 MB/s
179% Outstanding
Read 1120
Write 1,132
Mixed 1,131
SusWrite 427
214% 953 MB/s
4K Read 44
4K Write 120
4K Mixed 62.2
210% 75.5 MB/s
DQ Read 1,077
DQ Write 866
DQ Mixed 1,047
763% 997 MB/s
171GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 642 466 578 562 527 497 MB/s
173% Outstanding
Read 1,110
Write 1,255
Mixed 1,190
SusWrite 545
231% 1,025 MB/s
4K Read 41.2
4K Write 108
4K Mixed 58.4
194% 69.1 MB/s
DQ Read 933
DQ Write 630
DQ Mixed 743
565% 769 MB/s
136GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 517 340 371 338 323 327 MB/s
156% Outstanding
Read 1,096
Write 1,183
Mixed 1,122
SusWrite 369
212% 943 MB/s
4K Read 40.7
4K Write 114
4K Mixed 59.7
198% 71.4 MB/s
DQ Read 414
DQ Write 834
DQ Mixed 438
386% 562 MB/s
278GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 539 491 493 466 467 451 MB/s
154% Outstanding
Read 1,007
Write 1,236
Mixed 1,114
SusWrite 484
216% 960 MB/s
4K Read 39.3
4K Write 87.2
4K Mixed 55.6
177% 60.7 MB/s
DQ Read 768
DQ Write 512
DQ Mixed 562
440% 614 MB/s
402GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 275 314 313 315 314 306 MB/s
83.8% Excellent
Read 350
Write 314
Mixed 308
SusWrite 306
72% 319 MB/s
4K Read 27.1
4K Write 43.3
4K Mixed 32.7
106% 34.4 MB/s
DQ Read 439
DQ Write 374
DQ Mixed 483
341% 432 MB/s
14,574 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 43,080,794 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-512G-1014 512GB Builds (Compare 14,807 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 9%
Tree trunk
Desktop
Desktop 70%
Battleship
Workstation
Workstation 8%
Tree trunk

System: Acer Nitro AN515-54

CPU
Core i5-9300HIntelBench 72%, 75,583 samples8,290x
Core i7-9750HIntelBench 78%, 227,933 samples3,843x
Core i5-9300HIntelBench 75%, 12,608 samples1,923x
GPU
UHD Graphics 630IntelBench 5%, 344,078 samples8,237x
GTX 1650 (Mobile)NvidiaBench 42%, 52,551 samples3,759x
GeForce GTX 1050NvidiaBench 28%, 10,408 samples1,169x
SSD
PC SN520 SDAPNUW-512G-1014 512GBWDCBench 167%, 14,574 samples1x
RAM
ACR26D4S9S8ME-8 1x8GBKingstonBench 41%, 15,326 samples1,726x
HMA81GS6JJR8N-VK 1x8GBHynixBench 40%, 34,237 samples1,724x
ACR26D4S9S8HJ-8 1x8GBKingstonBench 42%, 2,993 samples1,675x
EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-512G-1014 512GB 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.
  • - 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) May 2021 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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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 i5-11400F $210Nvidia RTX 3060-Ti $400Crucial MX500 250GB $49
Intel Core i5-11600K $255Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10600K $210Nvidia RTX 3080 $700Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $102SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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