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Western Digital SN820 4TB SSD

Price and performance details for the Western Digital SN820 4TB SSD can be found below. This is made using thousands of PerformanceTest benchmark results and is updated daily.

  • The first graph shows the relative performance of the Hard Drive compared to the 10 other common Hard Drives in terms of PassMark Disk Rating.
  • The 2nd graph shows the value for money, in terms of the Disk Rating per dollar.

Western Digital SN820 4TB SSD

Description:  SDCPNRD

Drive Size:  3.7 TB

Other names:  NVMe PC SN820 NVMe WD 4096GB, PC SN820 NVMe WD 4096GB

Drive First Benchmarked: 2023-04-07

Drive Rating/$Price: NA

Overall Rank:  367

Last Price Change:  NA

Average Drive Rating
48619
Samples: 76

Disk Test Suite Average Results for Western Digital SN820 4TB SSD

Sequential Read6,588 MBytes/Sec
Sequential Write5,694 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)3,787 MBytes/Sec
IOPS 4KQD183 MBytes/Sec
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Drive Rating Relative to Top 10 SSDs Common Drives
As of 11th of December 2025 - Higher results represent better performance
Drive Average Disk Rating
WD BLACK SN850X 2000GB
51,587
Samsung 990 Pro PM9F1 4TB SSD
51,149
Samsung 990 Pro PM9F1 2TB SSD
49,782
KINGSTON FURY Renegade 2TB SSD
49,359
KINGSTON KC3000 2TB
49,136
Samsung 990 Pro PM9F1 1TB SSD
48,623
Western Digital SN820 4TB SSD
48,619
WD BLACK SN850X 1TB
46,916
Kingston FURY Renegade 1TB SSD
44,564
KINGSTON KC3000 1TB
44,177
Last 5 Baselines for Western Digital SN820 4TB SSD
Most recent listed first
Baseline Disk Rating
BL3104899 - Dec 03 2025
55905
BL3030584 - Nov 05 2025
51318
BL3008525 - Oct 27 2025
47183
BL2998037 - Oct 23 2025
55165
BL2900721 - Sep 11 2025
38201