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WD BLACK SN850X NVMe 4000GB

Price and performance details for the WD BLACK SN850X NVMe 4000GB 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.

WD BLACK SN850X NVMe 4000GB

Description:  WDS400T2X0E

Drive Size:  3.6 TB

Other names:  WD_BLACK SN850X 4000GB, NVMe WD_BLACK SN850X 4000GB

Drive First Benchmarked: 2022-09-18

Drive Rating/$Price: 76.03

Overall Rank:  60

Last Price Change:  $699.99 USD (2022-08-22)

Average Drive Rating
53223
Samples: 903

Disk Test Suite Average Results for WD BLACK SN850X NVMe 4000GB

Sequential Read6,553 MBytes/Sec
Sequential Write5,738 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)4,616 MBytes/Sec
IOPS 4KQD1112 MBytes/Sec
MerchantPricePurchase
Amazon.comNADrive Not Available. See Other Models
NewEgg.comNADrive Not Available. See Other Models
Note: PassMark Software may earn compensation for sales from links on this site through affiliate programs.

Pricing History


Drive Rating Relative to Top 10 Common Drives
As of 20th of April 2024 - Higher results represent better performance
Drive Average Disk Rating
WD BLACK SN850X NVMe 4000GB
53,223
WD BLACK SN850X NVMe 2000GB
52,469
Samsung SSD 990 PRO 2TB
50,770
Samsung SSD 990 PRO 1TB
49,188
WD BLACK SN850X NVMe 1000GB
48,100
KINGSTON SFYRS1000G
46,215
KINGSTON KC3000 1TB
45,966
WD BLACK SN850 1TB
42,744
Samsung SSD 980 PRO 2TB
42,372
Samsung SSD 980 PRO 1TB
39,473
Last 5 Baselines for WD BLACK SN850X NVMe 4000GB
Most recent listed first
Baseline Disk Rating
BL2077085 - Apr 13 2024
48378
BL2076962 - Apr 13 2024
28732
BL2076830 - Apr 13 2024
50056
BL2076654 - Apr 13 2024
50719
BL2076573 - Apr 12 2024
54546