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WDC

PC SN520 SDAPNUW-512G 512GB

▲ 500 ▼

Release date ≈ Q4 2018.

Average Bench: 172% (129th of 1072)

Based on 1,198 user benchmarks.  Model: WDC PC SN520 SDAPNUW-512G
Poor: 120%Average: 172% Great: 212%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-512G 512GB averaged 71.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-512G 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 845MB/s
Avg. 4K-64Thread Read Speed 963MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-512G 512GB is 91.8%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-512G 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 607MB/s
Avg. 4K Random Read Speed 39MB/s
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Average Bench

(Based on 1,198 samples)
Rank 129172%
Min Avg Max
626 Read 936 1,214
624 Write 931 1,263
565 Mixed 822 1,094
308 SusWrite 607 786
185% 824 MB/s
Min Avg Max
25.7 4K Read 39 47.3
61.9 4K Write 114 157
29.3 4K Mixed 56.2 69.8
192% 69.8 MB/s
Min Avg Max
553 DQ Read 963 1,081
230 DQ Write 749 1,136
251 DQ Mixed 845 1,076
635% 852 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
307GB free (System drive)
Firmware: 20170000
SusWrite @10s intervals: 957 755 754 752 751 750 MB/s
187% Outstanding
Read 1,142
Write 1,083
Mixed 967
SusWrite 787
224% 995 MB/s
4K Read 42.6
4K Write 115
4K Mixed 60.8
204% 72.9 MB/s
DQ Read 816
DQ Write 548
DQ Mixed 674
505% 679 MB/s
124GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 895 765 749 753 751 752 MB/s
155% Outstanding
Read 1,037
Write 967
Mixed 886
SusWrite 778
206% 917 MB/s
4K Read 21.6
4K Write 50.1
4K Mixed 31.1
99% 34.3 MB/s
DQ Read 874
DQ Write 725
DQ Mixed 811
604% 803 MB/s
394GB free (System drive)
Firmware: 20250000
SusWrite @10s intervals: 830 739 646 693 738 731 MB/s
143% Outstanding
Read 1,041
Write 1,016
Mixed 854
SusWrite 729
205% 910 MB/s
4K Read 28
4K Write 57.4
4K Mixed 42.3
127% 42.6 MB/s
DQ Read 468
DQ Write 275
DQ Mixed 398
289% 381 MB/s
156GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 761 435 436 403 397 401 MB/s
131% Outstanding
Read 903
Write 1,068
Mixed 834
SusWrite 472
184% 819 MB/s
4K Read 31.5
4K Write 68.8
4K Mixed 41.7
138% 47.3 MB/s
DQ Read 624
DQ Write 408
DQ Mixed 535
394% 522 MB/s
185GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 593 340 305 296 274 292 MB/s
130% Outstanding
Read 764
Write 802
Mixed 666
SusWrite 350
145% 645 MB/s
4K Read 36.5
4K Write 82.9
4K Mixed 49.9
163% 56.4 MB/s
DQ Read 722
DQ Write 513
DQ Mixed 612
459% 616 MB/s
79GB free (System drive)
Firmware: 20140000
SusWrite @10s intervals: 598 235 218 215 159 152 MB/s
110% Outstanding
Read 1,045
Write 1,016
Mixed 909
SusWrite 263
181% 808 MB/s
4K Read 30.5
4K Write 52.6
4K Mixed 38.1
123% 40.4 MB/s
DQ Read 409
DQ Write 212
DQ Mixed 292
222% 304 MB/s
1,198 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,772,924 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 512GB Builds (Compare 1,539 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 71%
Battleship
Workstation
Workstation 12%
Tree trunk

Motherboard: MSI MS-17E2

CPU
Core i7-9750HIntelBench 73%, 328,182 samples1,067x
Core i7-8750HIntelBench 70%, 442,631 samples455x
Core i9-9880HIntelBench 79%, 11,095 samples9x
GPU
UHD Graphics 630IntelBench 5%, 506,702 samples646x
RTX 2070 (Mobile)NvidiaBench 88%, 23,316 samples331x
RTX 2060 (Mobile)NvidiaBench 71%, 119,687 samples229x
SSD
PC SN520 SDAPNUW-512G 512GBWDCBench 172%, 1,198 samples1x
RAM
M471A1K43CB1-CTD 2x8GBSamsungBench 76%, 108,106 samples465x
HMA81GS6CJR8N-VK 2x8GBHynixBench 74%, 28,425 samples146x
M471A2K43CB1-CTD 2x16GBSamsungBench 82%, 20,439 samples118x
EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-512G 512GB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

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
  • - SkillBench (space shooter) tests user input accuracy
  • - 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
Solid State Drive Rankings (Price vs Performance) May 2024 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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1072 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?
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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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