iconcharts

Hard Drive Benchmarks

Over 1,000,000 Hard Drives Benchmarked

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: 76.11

Overall Rank:  59

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

Average Drive Rating
53277
Samples: 915

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

Sequential Read6,573 MBytes/Sec
Sequential Write5,745 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)4,609 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 27th of April 2024 - Higher results represent better performance
Drive Average Disk Rating
WD BLACK SN850X NVMe 4000GB
53,277
WD BLACK SN850X NVMe 2000GB
52,430
Samsung SSD 990 PRO 2TB
50,770
Samsung SSD 990 PRO 1TB
49,134
WD BLACK SN850X NVMe 1000GB
48,097
KINGSTON SFYRS1000G
46,144
KINGSTON KC3000 1TB
45,905
WD BLACK SN850 1TB
42,752
Samsung SSD 980 PRO 2TB
42,378
Samsung SSD 980 PRO 1TB
39,473
Last 5 Baselines for WD BLACK SN850X NVMe 4000GB
Most recent listed first
Baseline Disk Rating
BL2086739 - Apr 25 2024
49928
BL2086055 - Apr 25 2024
49997
BL2086003 - Apr 25 2024
55807
BL2085342 - Apr 24 2024
53640
BL2085327 - Apr 24 2024
46282