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SN520 NVMe WDC 512GB

▲ 500 ▼

Release date ≈ Q4 2018.

Average Bench: 145% (160th of 1072)

Based on 5,261 user benchmarks.  Model: PC SN520 NVMe WDC 512GB
Poor: 86%Average: 145% Great: 205%

Popular builds with this SSD

Outstanding average bench

The PC SN520 NVMe WDC 512GB averaged 44.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the PC SN520 NVMe WDC 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 620MB/s
Avg. 4K-64Thread Read Speed 730MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the PC SN520 NVMe WDC 512GB is 118%. This is a particularly wide range which indicates that the PC SN520 NVMe WDC 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 483MB/s
Avg. 4K Random Write Speed 97.7MB/s
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Average Bench

(Based on 5,261 samples)
Rank 160145%
Min Avg Max
526 Read 862 1,215
400 Write 849 1,278
361 Mixed 779 1,161
198 SusWrite 483 768
167% 743 MB/s
Min Avg Max
21.8 4K Read 40.5 46.4
43.1 4K Write 97.7 151
26.3 4K Mixed 50.8 68.1
178% 63 MB/s
Min Avg Max
263 DQ Read 730 1,093
125 DQ Write 437 926
164 DQ Mixed 620 1,062
452% 596 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
336GB free (System drive)
Firmware: 20220012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 959 737 736 738 610 440 MB/s
180% Outstanding
Read 1,113
Write 772
Mixed 845
SusWrite 704
192% 858 MB/s
4K Read 40
4K Write 95
4K Mixed 56.2
183% 63.7 MB/s
DQ Read 897
DQ Write 716
DQ Mixed 779
591% 797 MB/s
348GB free (System drive)
Firmware: 20220012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 974 737 739 736 640 440 MB/s
179% Outstanding
Read 1,118
Write 1,138
Mixed 988
SusWrite 711
222% 989 MB/s
4K Read 39.7
4K Write 95.2
4K Mixed 54.8
181% 63.2 MB/s
DQ Read 865
DQ Write 700
DQ Mixed 759
575% 775 MB/s
382GB free (System drive)
Firmware: 20220012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1004 737 733 576 439 442 MB/s
178% Outstanding
Read 1,109
Write 1025
Mixed 937
SusWrite 655
209% 932 MB/s
4K Read 40.4
4K Write 97.5
4K Mixed 55.8
184% 64.6 MB/s
DQ Read 894
DQ Write 717
DQ Mixed 777
589% 796 MB/s
303GB free (System drive)
Firmware: 20240012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 543 449 449 456 468 470 MB/s
134% Outstanding
Read 1,060
Write 1,116
Mixed 1,016
SusWrite 473
206% 916 MB/s
4K Read 13
4K Write 108
4K Mixed 51.2
142% 57.4 MB/s
DQ Read 338
DQ Write 408
DQ Mixed 359
275% 368 MB/s
263GB free (System drive)
Firmware: 20220012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 814 730 738 709 747 644 MB/s
126% Outstanding
Read 703
Write 694
Mixed 600
SusWrite 730
154% 682 MB/s
4K Read 31
4K Write 72.8
4K Mixed 21
112% 41.6 MB/s
DQ Read 553
DQ Write 342
DQ Mixed 475
346% 457 MB/s
232GB free (System drive)
Firmware: 20240012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 348 330 393 360 377 374 MB/s
113% Outstanding
Read 910
Write 348
Mixed 538
SusWrite 363
120% 540 MB/s
4K Read 25.7
4K Write 73.1
4K Mixed 39.5
128% 46.1 MB/s
DQ Read 498
DQ Write 148
DQ Mixed 337
245% 328 MB/s
307GB free (System drive)
Firmware: 20200012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 524 410 409 388 331 266 MB/s
108% Outstanding
Read 828
Write 713
Mixed 801
SusWrite 388
153% 683 MB/s
4K Read 31.1
4K Write 58.1
4K Mixed 40.6
130% 43.3 MB/s
DQ Read 339
DQ Write 152
DQ Mixed 249
184% 246 MB/s
162GB free (System drive)
Firmware: 20240012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 443 321 311 288 292 271 MB/s
101% Outstanding
Read 848
Write 679
Mixed 734
SusWrite 321
144% 646 MB/s
4K Read 31.3
4K Write 38
4K Mixed 33.2
110% 34.2 MB/s
DQ Read 491
DQ Write 85.1
DQ Mixed 149
145% 242 MB/s
62GB free (System drive)
Firmware: 20240012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 392 363 322 285 262 205 MB/s
71.1% Very good
Read 647
Write 583
Mixed 543
SusWrite 305
116% 519 MB/s
4K Read 17.7
4K Write 24.5
4K Mixed 17.9
63% 20 MB/s
DQ Read 204
DQ Write 124
DQ Mixed 144
112% 157 MB/s
5,261 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,663,598 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 SN520 NVMe WDC 512GB Builds (Compare 2,898 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 10%
Tree trunk
Desktop
Desktop 65%
Battle cruiser
Workstation
Workstation 10%
Tree trunk

System: Dell G3 3590

CPU
Core i5-9300HIntelBench 65%, 116,682 samples1,499x
Core i7-9750HIntelBench 73%, 328,182 samples1,398x
Core i7-9850HIntelBench 77%, 9,974 samples1x
GPU
UHD Graphics 630IntelBench 5%, 506,702 samples1,456x
GTX 1660-Ti (Mobile Max-Q)NvidiaBench 57%, 12,899 samples849x
GTX 1650 (Mobile)NvidiaBench 41%, 92,838 samples436x
SSD
SN520 NVMe WDC 512GBPCBench 145%, 5,261 samples415x
RAM
HMA851S6JJR6N-VK 2x4GBUnknownBench 62%, 3,853 samples245x
HMA81GS6JJR8N-VK 2x8GBUnknownBench 74%, 13,906 samples176x
KKN2NM-MIE 2x4GBUnknownBench 59%, 2,182 samples173x
EDIT WITH CUSTOM PC BUILDER

Popular SN520 NVMe WDC 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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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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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?
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) $30Corsair 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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