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Nvme

PC SN520 WD 512GB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 155% (148th of 1072)

Based on 451 user benchmarks.  Model: NVMe PC SN520 NVMe WD
Poor: 106%Average: 155% Great: 199%

Popular builds with this SSD

Outstanding average bench

The Nvme PC SN520 WD 512GB averaged 55.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme PC SN520 WD 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 673MB/s
Avg. 4K-64Thread Read Speed 798MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme PC SN520 WD 512GB is 92.6%. This is a particularly wide range which indicates that the Nvme PC SN520 WD 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 622MB/s
Avg. 4K Random Write Speed 99.2MB/s
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Average Bench

(Based on 451 samples)
Rank 148155%
Min Avg Max
586 Read 869 1,174
533 Write 924 1,303
502 Mixed 856 1,173
338 SusWrite 622 770
184% 818 MB/s
Min Avg Max
24 4K Read 38 46.1
51.5 4K Write 99.2 138
29.5 4K Mixed 51.2 65.1
176% 62.8 MB/s
Min Avg Max
394 DQ Read 798 1,086
178 DQ Write 463 898
249 DQ Mixed 673 1,017
490% 645 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
396GB free (System drive)
Firmware: 20220012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 846 764 736 738 740 738 MB/s
177% Outstanding
Read 1,014
Write 1,213
Mixed 1,108
SusWrite 760
231% 1024 MB/s
4K Read 41.7
4K Write 121
4K Mixed 50.7
192% 71.1 MB/s
DQ Read 785
DQ Write 602
DQ Mixed 573
461% 653 MB/s
389GB free (System drive)
Firmware: 20240012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 890 734 748 740 747 715 MB/s
171% Outstanding
Read 906
Write 1,181
Mixed 1,052
SusWrite 762
221% 975 MB/s
4K Read 39.5
4K Write 110
4K Mixed 56.9
191% 68.9 MB/s
DQ Read 699
DQ Write 579
DQ Mixed 617
468% 632 MB/s
436GB free (System drive)
Firmware: 0012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 872 757 733 738 497 434 MB/s
155% Outstanding
Read 846
Write 1,108
Mixed 987
SusWrite 672
204% 903 MB/s
4K Read 24.8
4K Write 105
4K Mixed 51.6
159% 60.5 MB/s
DQ Read 750
DQ Write 603
DQ Mixed 676
506% 676 MB/s
362GB free (System drive)
Firmware: 20220012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 887 753 645 437 406 156 MB/s
143% Outstanding
Read 908
Write 1,186
Mixed 982
SusWrite 547
204% 906 MB/s
4K Read 21.5
4K Write 104
4K Mixed 54.5
157% 59.9 MB/s
DQ Read 734
DQ Write 323
DQ Mixed 324
294% 460 MB/s
97GB free (System drive)
Firmware: 20240012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 675 625 478 444 439 498 MB/s
122% Outstanding
Read 796
Write 795
Mixed 835
SusWrite 526
166% 738 MB/s
4K Read 30.1
4K Write 62.4
4K Mixed 39.2
129% 43.9 MB/s
DQ Read 539
DQ Write 251
DQ Mixed 456
322% 415 MB/s
114GB free (System drive)
Firmware: 20240012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 694 468 393 304 226 228 MB/s
120% Outstanding
Read 798
Write 1,187
Mixed 996
SusWrite 386
190% 842 MB/s
4K Read 35.4
4K Write 66.3
4K Mixed 45.3
147% 49 MB/s
DQ Read 491
DQ Write 364
DQ Mixed 418
315% 424 MB/s
320GB free (System drive)
Firmware: 20220012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 437 448 368 326 381 345 MB/s
91.4% Outstanding
Read 679
Write 645
Mixed 652
SusWrite 384
133% 590 MB/s
4K Read 26.5
4K Write 44.4
4K Mixed 30.8
103% 33.9 MB/s
DQ Read 274
DQ Write 117
DQ Mixed 199
146% 197 MB/s
367GB free (System drive)
Firmware: 20240012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 527 469 445 450 503 393 MB/s
90.1% Outstanding
Read 633
Write 560
Mixed 581
SusWrite 465
126% 560 MB/s
4K Read 22.8
4K Write 36.5
4K Mixed 26.1
87% 28.5 MB/s
DQ Read 290
DQ Write 125
DQ Mixed 208
154% 208 MB/s
139GB free (System drive)
Firmware: 20240012 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 415 303 349 258 305 281 MB/s
85.9% Excellent
Read 676
Write 590
Mixed 646
SusWrite 318
125% 558 MB/s
4K Read 27.5
4K Write 37
4K Mixed 28.5
98% 31 MB/s
DQ Read 300
DQ Write 109
DQ Mixed 216
157% 208 MB/s
451 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,721,462 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 WD 512GB Builds (Compare 2,899 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 10%
Tree trunk
Desktop
Desktop 66%
Battle cruiser
Workstation
Workstation 10%
Tree trunk

System: Dell G3 3590

CPU
Core i5-9300HIntelBench 65%, 116,682 samples1,500x
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
PC SN520 WD 512GBNvmeBench 155%, 451 samples1x
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 PC SN520 WD 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

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  • - 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
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  • - Reports are generated and presented on userbenchmark.com
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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?
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 $273Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair 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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