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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: 76.55

Overall Rank:  36

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

Average Drive Rating
53584
Samples: 543

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

Sequential Read6,363 MBytes/Sec
Sequential Write5,528 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)4,704 MBytes/Sec
IOPS 4KQD1115 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 November 2023 - Higher results represent better performance
Drive Average Disk Rating
WD BLACK SN850X NVMe 4000GB
53,584
WD BLACK SN850X NVMe 2000GB
53,077
Samsung SSD 990 PRO 2TB
50,757
Samsung SSD 990 PRO 1TB
48,955
WD BLACK SN850X NVMe 1000GB
48,175
KINGSTON KC3000 1TB
45,915
WD BLACK SN850 1TB
42,566
Samsung SSD 980 PRO 2TB
42,280
Samsung SSD 980 PRO 1TB
39,302
Crucial P5 Plus 1TB
37,716
Last 5 Baselines for WD BLACK SN850X NVMe 4000GB
Most recent listed first
Baseline Disk Rating
BL1954352 - Nov 25 2023
127548
BL1954268 - Nov 25 2023
55823
BL1953593 - Nov 24 2023
53665
BL1953528 - Nov 24 2023
52112
BL1953518 - Nov 24 2023
47369