TEST
YOUR SSD
ADD TO PC
BUILD

WDC

PC SN520 SDAPMUW-512G-1101 512GB

▲ 500 ▼

Release date ≈ Q4 2018.

Average Bench: 156% (155th of 1080)

Based on 10,396 user benchmarks.  Model: WDC PC SN520 SDAPMUW-512G-1101
Poor: 105%Average: 156% Great: 200%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPMUW-512G-1101 512GB averaged 55.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPMUW-512G-1101 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 696MB/s
Avg. 4K-64Thread Read Speed 849MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPMUW-512G-1101 512GB is 95.1%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPMUW-512G-1101 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 544MB/s
Avg. 4K Random Write Speed 104MB/s
ADVERTISEMENT

Average Bench

(Based on 10,396 samples)
Rank 155156%
Min Avg Max
544 Read 858 1,218
470 Write 840 1,221
436 Mixed 731 1,054
259 SusWrite 544 767
167% 743 MB/s
Min Avg Max
18.6 4K Read 40.9 46.9
46.3 4K Write 104 154
24.3 4K Mixed 51.6 69.2
183% 65.6 MB/s
Min Avg Max
375 DQ Read 849 1,085
154 DQ Write 593 908
208 DQ Mixed 696 1,019
526% 713 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
186GB free (System drive)
Firmware: 20290001
SusWrite @10s intervals: 482 388 436 397 393 405 MB/s
148% Outstanding
Read 1,005
Write 1066
Mixed 925
SusWrite 417
192% 853 MB/s
4K Read 30.3
4K Write 96.2
4K Mixed 52
164% 59.5 MB/s
DQ Read 816
DQ Write 581
DQ Mixed 727
535% 708 MB/s
186GB free (System drive)
Firmware: 20290001
SusWrite @10s intervals: 519 448 489 454 424 420 MB/s
140% Outstanding
Read 812
Write 771
Mixed 696
SusWrite 459
154% 684 MB/s
4K Read 33.9
4K Write 84
4K Mixed 49.8
160% 55.9 MB/s
DQ Read 783
DQ Write 563
DQ Mixed 659
496% 668 MB/s
419GB free (System drive)
Firmware: 20210001
SusWrite @10s intervals: 829 716 673 618 741 797 MB/s
131% Outstanding
Read 669
Write 669
Mixed 573
SusWrite 729
149% 660 MB/s
4K Read 31.5
4K Write 61.9
4K Mixed 41.8
134% 45.1 MB/s
DQ Read 471
DQ Write 331
DQ Mixed 425
311% 409 MB/s
366GB free (System drive)
Firmware: 20210001
SusWrite @10s intervals: 616 636 709 741 715 695 MB/s
117% Outstanding
Read 695
Write 373
Mixed 637
SusWrite 685
134% 598 MB/s
4K Read 15.4
4K Write 73
4K Mixed 23
92% 37.1 MB/s
DQ Read 697
DQ Write 193
DQ Mixed 298
258% 396 MB/s
413GB free (System drive)
Firmware: 20240001
SusWrite @10s intervals: 688 606 599 612 623 659 MB/s
104% Outstanding
Read 697
Write 742
Mixed 625
SusWrite 631
152% 674 MB/s
4K Read 20.3
4K Write 44.2
4K Mixed 23.1
84% 29.2 MB/s
DQ Read 319
DQ Write 204
DQ Mixed 253
191% 259 MB/s
414GB free (System drive)
Firmware: 20240001
SusWrite @10s intervals: 712 693 752 744 709 643 MB/s
101% Outstanding
Read 740
Write 877
Mixed 689
SusWrite 709
170% 754 MB/s
4K Read 20.9
4K Write 23.9
4K Mixed 19.2
69% 21.3 MB/s
DQ Read 174
DQ Write 122
DQ Mixed 154
114% 150 MB/s
10,396 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 76,510,326 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 SDAPMUW-512G-1101 512GB Builds (Compare 5,113 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 53%
Yacht
Desktop
Desktop 81%
Aircraft carrier
Workstation
Workstation 46%
Yacht

System: Lenovo 81SX

CPU
Core i7-9750HIntelBench 73%, 328,182 samples2,894x
Core i5-9300HIntelBench 65%, 116,682 samples1,233x
Core i5-9300HFIntelBench 73%, 6,965 samples694x
GPU
GTX 1660-Ti (Mobile)NvidiaBench 65%, 82,746 samples2,572x
RTX 2060 (Mobile)NvidiaBench 71%, 119,687 samples2,159x
UHD Graphics 630IntelBench 5%, 506,702 samples374x
SSD
PC SN520 SDAPMUW-512G-1101 512GBWDCBench 156%, 10,396 samples872x
RAM
M471A1K43DB1-CTD 2x8GBSamsungBench 76%, 43,895 samples1,040x
HMA81GS6JJR8N-VK 2x8GBHynixBench 76%, 29,128 samples702x
RMSA3260ME78HAF-2666 2x8GBRamaxelBench 76%, 8,736 samples624x
EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPMUW-512G-1101 512GB systems:

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) July 2024 SSD Rankings

Welcome to our 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
Ready to retire
Age: 5 years

Speed Comparisons

vs WD Black SN850X M.2 2TB
vs WD Black SN850X M.2 1TB
vs Crucial T700 M.2 4TB
vs WD Black SN850X M.2 4TB
vs Samsung 990 Pro M.2 2TB
vs Samsung 990 Pro M.2 4TB
vs Samsung 990 Pro M.2 1TB
vs Crucial T705 M.2 2TB
vs Crucial T705 M.2 1TB

1080 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
Why does UserBenchmark have a bad reputation on reddit?
Marketers operate thousands of reddit accounts. Our benchmarks expose their spiel so they attack our reputation.
Why don’t PC brands endorse UserBenchmark?
Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
Why don’t youtubers promote UserBenchmark?
We don't pay youtubers, so they don't praise us. Moreover, our data obstructs youtubers who promote overpriced or inferior products.
Why does UserBenchmark have negative trustpilot reviews?
The 200+ trustpilot reviews are mostly written by virgin marketing accounts. Real users don't give a monkey's about big brands.
Why is UserBenchmark popular with users?
Instead of pursuing brands for sponsorship, we've spent 13 years publishing real-world data for users.
The Best
CPUGPUSSD
Intel Core i5-12600K $175Nvidia RTX 4060 $293WD Black SN850X M.2 2TB $145
Intel Core i5-12400F $110Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $85
Intel Core i5-13600K $235Nvidia RTX 4070 $499Crucial T700 M.2 4TB $342
Today's hottest
Amazon Ebay
deals
If you buy something via a price link, UserBenchmark may earn a commission
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback