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Nvme

WDC PC SN520 SDA 512GB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 169% (134th of 1072)

Based on 2,949 user benchmarks.  Model: NVMe WDC PC SN520 SDA
Poor: 123%Average: 169% Great: 203%

Popular builds with this SSD

Outstanding average bench

The Nvme WDC PC SN520 SDA 512GB averaged 69.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme WDC PC SN520 SDA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 700MB/s
Avg. 4K-64Thread Read Speed 855MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme WDC PC SN520 SDA 512GB is 80.1%. This is a particularly wide range which indicates that the Nvme WDC PC SN520 SDA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 629MB/s
Avg. 4K Random Write Speed 107MB/s
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Average Bench

(Based on 2,949 samples)
Rank 134169%
Min Avg Max
709 Read 1,017 1,197
755 Write 1,146 1,326
677 Mixed 1,061 1,208
339 SusWrite 629 782
217% 963 MB/s
Min Avg Max
27.1 4K Read 39.8 47
63.2 4K Write 107 146
31.5 4K Mixed 54 67.3
186% 67.1 MB/s
Min Avg Max
445 DQ Read 855 1,076
230 DQ Write 616 983
296 DQ Mixed 700 1,066
533% 724 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
343GB free (System drive)
Firmware: 0000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 863 765 743 743 744 743 MB/s
179% Outstanding
Read 1,100
Write 1,255
Mixed 1,175
SusWrite 767
242% 1,074 MB/s
4K Read 38.2
4K Write 96.5
4K Mixed 54.6
179% 63.1 MB/s
DQ Read 823
DQ Write 614
DQ Mixed 698
528% 712 MB/s
347GB free (System drive)
Firmware: 20110000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 816 498 421 384 470 531 MB/s
169% Outstanding
Read 1,064
Write 1286
Mixed 1,177
SusWrite 520
228% 1,012 MB/s
4K Read 39.2
4K Write 108
4K Mixed 53.7
185% 66.9 MB/s
DQ Read 949
DQ Write 710
DQ Mixed 799
606% 819 MB/s
314GB free (System drive)
Firmware: 0000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 766 744 684 712 704 713 MB/s
166% Outstanding
Read 970
Write 1184
Mixed 1,083
SusWrite 721
224% 989 MB/s
4K Read 35.5
4K Write 81.4
4K Mixed 49.4
160% 55.4 MB/s
DQ Read 860
DQ Write 619
DQ Mixed 708
538% 729 MB/s
362GB free (System drive)
Firmware: 20110000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 811 568 500 449 492 569 MB/s
163% Outstanding
Read 970
Write 1,251
Mixed 1,148
SusWrite 565
222% 983 MB/s
4K Read 41.7
4K Write 128
4K Mixed 60.8
209% 76.9 MB/s
DQ Read 635
DQ Write 491
DQ Mixed 528
404% 551 MB/s
172GB free (System drive)
Firmware: 0000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 604 386 334 346 332 334 MB/s
159% Outstanding
Read 1,051
Write 1,299
Mixed 1,130
SusWrite 389
218% 967 MB/s
4K Read 38.2
4K Write 100
4K Mixed 55.1
182% 64.6 MB/s
DQ Read 903
DQ Write 755
DQ Mixed 824
618% 827 MB/s
191GB free
Firmware: 20120006 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 868 740 750 742 745 738 MB/s
157% Outstanding
Read 855
Write 1,175
Mixed 1,096
SusWrite 764
220% 972 MB/s
4K Read 34.6
4K Write 90.3
4K Mixed 48
162% 57.6 MB/s
DQ Read 652
DQ Write 534
DQ Mixed 516
407% 567 MB/s
174GB free (System drive)
Firmware: 20110000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 568 421 538 478 483 467 MB/s
150% Outstanding
Read 857
Write 1,169
Mixed 1,100
SusWrite 492
205% 905 MB/s
4K Read 35.2
4K Write 88.4
4K Mixed 51
166% 58.2 MB/s
DQ Read 916
DQ Write 595
DQ Mixed 689
532% 733 MB/s
157GB free (System drive)
Firmware: 20110000 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 488 379 373 355 350 364 MB/s
120% Outstanding
Read 845
Write 1035
Mixed 949
SusWrite 385
181% 804 MB/s
4K Read 29.9
4K Write 62.8
4K Mixed 40.4
130% 44.4 MB/s
DQ Read 541
DQ Write 448
DQ Mixed 466
357% 485 MB/s
2,949 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,656,381 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 WDC PC SN520 SDA 512GB Builds (Compare 11,751 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 11%
Tree trunk

System: Acer Nitro AN515-54

CPU
Core i5-9300HIntelBench 65%, 116,682 samples5,691x
Core i7-9750HIntelBench 73%, 328,182 samples2,863x
Core i5-9300HIntelBench 68%, 23,588 samples2,666x
GPU
UHD Graphics 630IntelBench 5%, 506,702 samples5,972x
GTX 1650 (Mobile)NvidiaBench 41%, 92,838 samples3,463x
RTX 2060 (Mobile)NvidiaBench 71%, 119,687 samples932x
SSD
WDC PC SN520 SDA 512GBNvmeBench 169%, 2,949 samples1x
RAM
ACR26D4S9S8HJ-8 2x8GBKingstonBench 75%, 2,420 samples844x
ACR26D4S9S8HJ-8 1x8GBKingstonBench 42%, 4,751 samples754x
HMA81GS6JJR8N-VK 1x8GBHynixBench 40%, 48,644 samples730x
EDIT WITH CUSTOM PC BUILDER

Popular WDC PC SN520 SDA 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.

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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) April 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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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?
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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 i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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