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WDC

PC SN520 SDAPNUW-512G-1014 512GB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 176% (86th of 1011)

Based on 1,434 user benchmarks.  Model: WDC PC SN520 SDAPNUW-512G-1014
Poor: 124%Average: 176% Great: 209%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-512G-1014 512GB averaged 76.1% 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 807MB/s
Avg. 4K-64Thread Write Speed 744MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-512G-1014 512GB is 85.2%. 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 707MB/s
Avg. 4K Random Read Speed 39.2MB/s
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Average Bench

(Based on 1,434 samples)
Rank 86176%
Min Avg Max
603 Read 958 1,195
600 Write 1,073 1,322
535 Mixed 973 1,205
485 SusWrite 707 776
209% 928 MB/s
Min Avg Max
23.1 4K Read 39.2 47.4
69.9 4K Write 114 160
24 4K Mixed 53.7 69.6
189% 69.1 MB/s
Min Avg Max
428 DQ Read 893 1,077
357 DQ Write 744 1,074
331 DQ Mixed 807 1,071
607% 814 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
374GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 840 779 745 748 747 751 MB/s
203% Outstanding
Read 1,124
Write 1162
Mixed 1,186
SusWrite 768
239% 1,060 MB/s
4K Read 43.6
4K Write 112
4K Mixed 62.7
206% 72.7 MB/s
DQ Read 1,067
DQ Write 1,049
DQ Mixed 1,077
804% 1,065 MB/s
414GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 890 745 751 751 753 751 MB/s
185% Outstanding
Read 857
Write 1,354
Mixed 1,185
SusWrite 774
236% 1,042 MB/s
4K Read 46.1
4K Write 109
4K Mixed 56.3
200% 70.5 MB/s
DQ Read 1,069
DQ Write 833
DQ Mixed 815
647% 906 MB/s
421GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 851 706 754 741 753 753 MB/s
183% Outstanding
Read 950
Write 885
Mixed 815
SusWrite 760
192% 853 MB/s
4K Read 42.2
4K Write 117
4K Mixed 59.6
202% 72.9 MB/s
DQ Read 878
DQ Write 747
DQ Mixed 768
588% 798 MB/s
334GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 566 MB/s
174% Outstanding
Read 1,058
Write 1,091
Mixed 916
SusWrite 566
204% 908 MB/s
4K Read 38.5
4K Write 124
4K Mixed 56
196% 73 MB/s
DQ Read 992
DQ Write 660
DQ Mixed 687
550% 779 MB/s
431GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 879 741 742 740 738 733 MB/s
159% Outstanding
Read 816
Write 1,229
Mixed 812
SusWrite 762
205% 905 MB/s
4K Read 35.2
4K Write 122
4K Mixed 26.3
152% 61.1 MB/s
DQ Read 884
DQ Write 705
DQ Mixed 779
587% 789 MB/s
408GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 785 739 733 739 745 741 MB/s
150% Outstanding
Read 784
Write 1,014
Mixed 832
SusWrite 747
191% 844 MB/s
4K Read 21.8
4K Write 87.3
4K Mixed 37
127% 48.7 MB/s
DQ Read 845
DQ Write 692
DQ Mixed 825
602% 787 MB/s
409GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 276 300 313 314 314 315 MB/s
89.2% Excellent
Read 350
Write 308
Mixed 323
SusWrite 305
72% 322 MB/s
4K Read 26.5
4K Write 57.9
4K Mixed 40
122% 41.5 MB/s
DQ Read 439
DQ Write 374
DQ Mixed 460
330% 425 MB/s
1,434 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,132,121 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 6,216 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 76%
Battleship
Workstation
Workstation 42%
Speed boat

System: Acer Nitro AN515-52

CPU
Core i5-8300HIntelBench 67%, 60,131 samples3,835x
Core i7-8750HIntelBench 73%, 165,333 samples2,381x
GPU
UHD Graphics 630IntelBench 6%, 122,174 samples3,923x
GTX 1050 (Mobile)NvidiaBench 23%, 69,975 samples1,205x
GTX 1050-Ti (Mobile)NvidiaBench 30%, 46,547 samples577x
SSD
PC SN520 SDAPNUW-512G-1014 512GBWDCBench 176%, 1,434 samples1x
RAM
ACR26D4S9S8ME-8 1x8GBKingstonBench 42%, 4,915 samples1,057x
8ATF1G64HZ-2G6E1 1x8GBMicronBench 41%, 12,538 samples756x
HMA81GS6AFR8N-UH 1x8GBHynixBench 38%, 73,647 samples736x
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) November 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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Reaching its prime
Age: 9 months

Speed Comparisons

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 850 Pro 512GB
vs Samsung 850 Evo 250GB
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vs HyperX Savage 240GB
vs Crucial MX300 275GB
vs Crucial MX200 250GB

1011 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 $148Nvidia GTX 1660S (Super) $234Crucial MX500 250GB $45
Intel Core i5-9600K $210Nvidia GTX 1660 $210Samsung 850 Evo 120GB $150
Intel Core i7-9700K $340Nvidia GTX 1660-Ti $260Samsung 860 Evo 250GB $49
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $75Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Ultra Fit 32GB $14
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