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WDC

PC SN520 SDAPNUW-512G-1014 512GB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 177% (91st of 1016)

Based on 2,721 user benchmarks.  Model: WDC PC SN520 SDAPNUW-512G-1014
Poor: 131%Average: 177% Great: 209%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-512G-1014 512GB averaged 76.8% 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 785MB/s
Avg. 4K-64Thread Write Speed 736MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-512G-1014 512GB is 78.4%. 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 693MB/s
Avg. 4K Random Write Speed 113MB/s
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Average Bench

(Based on 2,721 samples)
Rank 91177%
Min Avg Max
628 Read 982 1,203
580 Write 1,115 1,329
562 Mixed 1,020 1,208
449 SusWrite 693 775
215% 952 MB/s
Min Avg Max
26 4K Read 40.1 47.9
69.3 4K Write 113 159
27.4 4K Mixed 55 69.4
191% 69.5 MB/s
Min Avg Max
348 DQ Read 888 1,077
266 DQ Write 736 1091
202 DQ Mixed 785 1073
595% 803 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
237GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 951 473 553 570 590 555 MB/s
214% Outstanding
Read 1,181
Write 1,335
Mixed 1,205
SusWrite 615
244% 1084 MB/s
4K Read 48.9
4K Write 179
4K Mixed 73.3
263% 100 MB/s
DQ Read 1,072
DQ Write 1,083
DQ Mixed 942
745% 1,032 MB/s
240GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 965 728 740 740 737 558 MB/s
211% Outstanding
Read 1,030
Write 1,331
Mixed 1,197
SusWrite 745
243% 1,076 MB/s
4K Read 48.7
4K Write 180
4K Mixed 74.3
264% 101 MB/s
DQ Read 1,074
DQ Write 860
DQ Mixed 914
698% 949 MB/s
159GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 734 443 425 530 540 537 MB/s
177% Outstanding
Read 1197
Write 1,234
Mixed 1,057
SusWrite 535
226% 1,006 MB/s
4K Read 40.2
4K Write 123
4K Mixed 57.8
200% 73.5 MB/s
DQ Read 847
DQ Write 720
DQ Mixed 771
581% 779 MB/s
219GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 745 518 554 608 583 562 MB/s
163% Outstanding
Read 960
Write 1,209
Mixed 1,094
SusWrite 595
218% 964 MB/s
4K Read 39.8
4K Write 118
4K Mixed 46
182% 67.9 MB/s
DQ Read 915
DQ Write 582
DQ Mixed 552
464% 683 MB/s
443GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 685 770 742 691 569 529 MB/s
132% Outstanding
Read 736
Write 595
Mixed 505
SusWrite 664
140% 625 MB/s
4K Read 17.2
4K Write 94.5
4K Mixed 24
107% 45.2 MB/s
DQ Read 692
DQ Write 640
DQ Mixed 755
542% 696 MB/s
444GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 715 695 675 592 611 509 MB/s
127% Outstanding
Read 581
Write 551
Mixed 494
SusWrite 633
127% 565 MB/s
4K Read 28.3
4K Write 101
4K Mixed 21.9
124% 50.4 MB/s
DQ Read 694
DQ Write 613
DQ Mixed 734
528% 680 MB/s
243GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 668 291 263 250 219 239 MB/s
115% Outstanding
Read 810
Write 875
Mixed 771
SusWrite 322
156% 694 MB/s
4K Read 28
4K Write 110
4K Mixed 48.1
162% 61.9 MB/s
DQ Read 466
DQ Write 95.6
DQ Mixed 162
149% 241 MB/s
2,721 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,624,497 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 7,602 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Surfboard
Desktop
Desktop 75%
Battleship
Workstation
Workstation 41%
Speed boat

System: Acer Nitro AN515-52

CPU
Core i5-8300HIntelBench 66%, 62,986 samples4,786x
Core i7-8750HIntelBench 73%, 206,053 samples2,816x
GPU
UHD Graphics 630IntelBench 6%, 147,791 samples4,769x
GTX 1050 (Mobile)NvidiaBench 26%, 75,368 samples1,517x
GTX 1050-Ti (Mobile)NvidiaBench 31%, 49,897 samples712x
SSD
PC SN520 SDAPNUW-512G-1014 512GBWDCBench 177%, 2,721 samples302x
RAM
ACR26D4S9S8ME-8 1x8GBKingstonBench 42%, 6,126 samples1,199x
HMA81GS6AFR8N-UH 1x8GBHynixBench 38%, 82,049 samples973x
8ATF1G64HZ-2G6E1 1x8GBMicronBench 40%, 15,444 samples833x
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.

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) January 2020 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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Reaching its prime
Age: 11 months

Speed Comparisons

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1016 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 $155Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $43
Intel Core i5-9600K $218Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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