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WDC

PC SN520 SDAPNUW-512G-1014 512GB

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Release date ≈ Q1 2019.

Average Bench: 172% (109th of 1040)

Based on 9,491 user benchmarks.  Model: WDC PC SN520 SDAPNUW-512G-1014
Poor: 112%Average: 172% Great: 209%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-512G-1014 512GB averaged 72.2% 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 778MB/s
Avg. 4K-64Thread Read Speed 893MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-512G-1014 512GB is 96.3%. 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 639MB/s
Avg. 4K Random Write Speed 110MB/s
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Average Bench

(Based on 9,491 samples)
Rank 109172%
Min Avg Max
616 Read 988 1,217
489 Write 1,088 1,323
523 Mixed 998 1,204
318 SusWrite 639 777
209% 928 MB/s
Min Avg Max
23.5 4K Read 38.9 46.5
61.7 4K Write 110 148
30 4K Mixed 54.7 67.8
187% 67.7 MB/s
Min Avg Max
443 DQ Read 893 1,078
349 DQ Write 718 1,100
374 DQ Mixed 778 1,076
590% 797 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
320GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 940 735 737 736 735 733 MB/s
219% Outstanding
Read 1,220
Write 1,270
Mixed 1086
SusWrite 769
244% 1,086 MB/s
4K Read 43.2
4K Write 141
4K Mixed 65.6
224% 83.3 MB/s
DQ Read 1,076
DQ Write 1,336
DQ Mixed 1,080
850% 1,164 MB/s
78GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 892 732 738 740 741 413 MB/s
187% Outstanding
Read 1067
Write 1182
Mixed 1,160
SusWrite 709
232% 1,030 MB/s
4K Read 43.9
4K Write 131
4K Mixed 64.6
219% 79.8 MB/s
DQ Read 866
DQ Write 634
DQ Mixed 719
546% 740 MB/s
91GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 673 425 423 424 392 402 MB/s
121% Outstanding
Read 812
Write 930
Mixed 910
SusWrite 456
175% 777 MB/s
4K Read 28.4
4K Write 73.5
4K Mixed 34.5
126% 45.5 MB/s
DQ Read 551
DQ Write 449
DQ Mixed 550
398% 517 MB/s
76GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 426 249 223 216 233 220 MB/s
118% Outstanding
Read 616
Write 626
Mixed 522
SusWrite 261
114% 506 MB/s
4K Read 35.4
4K Write 80.6
4K Mixed 34.9
141% 50.3 MB/s
DQ Read 769
DQ Write 785
DQ Mixed 880
633% 811 MB/s
9,491 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 32,764,687 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 1,451 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 80%
Aircraft carrier
Workstation
Workstation 11%
Tree trunk

System: Acer Aspire TC-885

CPU
Core i5-9400Intel  $167Bench 87%, 12,222 samples574x
Core i5-8400Intel  $172Bench 85%, 209,713 samples435x
Core i3-9100Intel  $110Bench 82%, 4,222 samples187x
GPU
UHD Graphics 630 (Desktop Coffee Lake i5 i7)IntelBench 6%, 85,830 samples526x
UHD Graphics 630 (Desktop Coffee Lake i3)IntelBench 5%, 18,909 samples136x
GTX 1650Nvidia  $152Bench 41%, 58,802 samples109x
SSD
PC SN520 SDAPNUW-512G-1014 512GBWDCBench 172%, 9,491 samples420x
RAM
ACR26D4U9S8ME-8 ACR26D4U9S1KA-4 12GBKingstonBench 61%, 795 samples298x
M378A1K43DB2-CTD 1x8GBSamsungBench 44%, 3,092 samples214x
ACR26D4U9S8ME-8 1x8GBKingstonBench 43%, 1,459 samples116x
EDIT WITH CUSTOM PC BUILDER Value: 100% - Outstanding Total price: $167

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) October 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.

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Speed Comparisons

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1040 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 i5-9600K $199Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $45
Intel Core i5-9400F $140Nvidia RTX 3080 $700Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $63SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $548SanDisk Extreme 16GB $28
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