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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: 76.21

Overall Rank:  55

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

Average Drive Rating
53344
Samples: 850

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

Sequential Read6,534 MBytes/Sec
Sequential Write5,728 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)4,638 MBytes/Sec
IOPS 4KQD1112 MBytes/Sec
MerchantPricePurchase
Amazon.comNADrive Not Available. See Other Models
NewEgg.comNADrive Not Available. See Other Models
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Pricing History


Drive Rating Relative to Top 10 Common Drives
As of 28th of March 2024 - Higher results represent better performance
Drive Average Disk Rating
WD BLACK SN850X NVMe 4000GB
53,344
WD BLACK SN850X NVMe 2000GB
52,495
Samsung SSD 990 PRO 2TB
50,776
Samsung SSD 990 PRO 1TB
49,191
WD BLACK SN850X NVMe 1000GB
48,172
KINGSTON SFYRS1000G
46,171
KINGSTON KC3000 1TB
45,995
WD BLACK SN850 1TB
42,714
Samsung SSD 980 PRO 2TB
42,372
Samsung SSD 980 PRO 1TB
39,465
Last 5 Baselines for WD BLACK SN850X NVMe 4000GB
Most recent listed first
Baseline Disk Rating
BL2062206 - Mar 26 2024
50257
BL2061266 - Mar 25 2024
56569
BL2060527 - Mar 25 2024
55567
BL2060522 - Mar 24 2024
55166
BL2060323 - Mar 24 2024
127156