TEST
YOUR SSD
ADD TO PC
BUILD

WDC

PC SN520 SDAPNUW-512G-1014 512GB

▲ 502 ▼

Release date ≈ Q1 2019.

Average Bench: 168% (121st of 1058)

Based on 15,206 user benchmarks.  Model: WDC PC SN520 SDAPNUW-512G-1014
Poor: 109%Average: 168% Great: 208%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-512G-1014 512GB averaged 67.6% 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 731MB/s
Avg. 4K-64Thread Read Speed 859MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-512G-1014 512GB is 98.6%. 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 566MB/s
Avg. 4K Random Write Speed 110MB/s
ADVERTISEMENT

Average Bench

(Based on 15,206 samples)
Rank 121168%
Min Avg Max
642 Read 1,014 1,215
500 Write 1,066 1,323
520 Mixed 977 1,203
298 SusWrite 566 772
204% 906 MB/s
Min Avg Max
23.4 4K Read 41.6 47.5
57.3 4K Write 110 152
28.4 4K Mixed 54.4 68.2
191% 68.5 MB/s
Min Avg Max
401 DQ Read 859 1,078
199 DQ Write 662 1,092
218 DQ Mixed 731 1,076
555% 751 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
254GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 772 720 522 474 489 447 MB/s
176% Outstanding
Read 751
Write 720
Mixed 647
SusWrite 571
151% 672 MB/s
4K Read 46.4
4K Write 151
4K Mixed 67
236% 88.3 MB/s
DQ Read 952
DQ Write 759
DQ Mixed 842
634% 851 MB/s
166GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 838 492 528 439 352 336 MB/s
171% Outstanding
Read 1,156
Write 1,249
Mixed 1,178
SusWrite 498
230% 1,020 MB/s
4K Read 40.4
4K Write 107
4K Mixed 57.8
192% 68.3 MB/s
DQ Read 864
DQ Write 688
DQ Mixed 771
578% 774 MB/s
170GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 634 397 410 376 362 379 MB/s
166% Outstanding
Read 855
Write 1,121
Mixed 1,059
SusWrite 426
196% 865 MB/s
4K Read 38.2
4K Write 106
4K Mixed 55.1
185% 66.5 MB/s
DQ Read 1,076
DQ Write 1094
DQ Mixed 1,062
804% 1,077 MB/s
142GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 559 423 374 482 354 364 MB/s
152% Outstanding
Read 902
Write 1,149
Mixed 959
SusWrite 426
194% 859 MB/s
4K Read 35.7
4K Write 75.5
4K Mixed 52.8
162% 54.7 MB/s
DQ Read 952
DQ Write 808
DQ Mixed 1,026
729% 929 MB/s
322GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 698 542 500 464 435 400 MB/s
125% Outstanding
Read 1,018
Write 925
Mixed 613
SusWrite 506
171% 766 MB/s
4K Read 44.7
4K Write 29.5
4K Mixed 57.3
157% 43.8 MB/s
DQ Read 33.6
DQ Write 95.1
DQ Mixed 62.8
48% 63.8 MB/s
66GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 542 173 175 177 169 177 MB/s
123% Outstanding
Read 785
Write 1,008
Mixed 1028
SusWrite 236
172% 764 MB/s
4K Read 34.6
4K Write 83.5
4K Mixed 47.3
157% 55.1 MB/s
DQ Read 673
DQ Write 576
DQ Mixed 480
399% 576 MB/s
15,206 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,499,118 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 16,536 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 9%
Tree trunk
Desktop
Desktop 72%
Battleship
Workstation
Workstation 8%
Tree trunk

System: Acer Nitro AN515-54

CPU
Core i5-9300HIntelBench 74%, 87,421 samples9,061x
Core i7-9750HIntelBench 79%, 263,611 samples4,257x
Core i5-9300HIntelBench 75%, 16,405 samples2,378x
GPU
UHD Graphics 630IntelBench 5%, 396,917 samples9,184x
GTX 1650 (Mobile)NvidiaBench 41%, 63,124 samples4,238x
GeForce GTX 1050NvidiaBench 28%, 12,781 samples1,278x
SSD
PC SN520 SDAPNUW-512G-1014 512GBWDCBench 168%, 15,206 samples1x
RAM
HMA81GS6JJR8N-VK 1x8GBHynixBench 40%, 40,975 samples1,853x
ACR26D4S9S8ME-8 1x8GBKingstonBench 41%, 17,240 samples1,831x
ACR26D4S9S8HJ-8 1x8GBKingstonBench 42%, 3,437 samples1,824x
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 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) August 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]

ADVERTISEMENT

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

Added n/a ago.
Your
opinion?
▲Like ▼Dislike
Over the hill
Age: 2 years

Speed Comparisons

vs Crucial MX500 250GB
vs Samsung 860 Evo 250GB
vs Samsung 850 Evo 120GB
vs Samsung 850 Pro 512GB
vs Samsung 870 Evo 250GB
vs HyperX Savage 240GB
vs Samsung 850 Evo 250GB
vs Crucial MX300 275GB
vs Samsung 850 Evo 1TB

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 i5-11600K $270Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $394Nvidia RTX 3080 $700Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback