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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.
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: 76.98
Overall Rank: 28
Last Price Change: $699.99 USD (2022-08-22)
| Sequential Read | 6,244 MBytes/Sec |
|---|---|
| Sequential Write | 5,422 MBytes/Sec |
| Random Seek Read Write (IOPS 32KQD20) | 4,768 MBytes/Sec |
| IOPS 4KQD1 | 116 MBytes/Sec |
| Merchant | Price | Purchase |
|---|---|---|
 | NA | Drive Not Available. See Other Models |
 | NA | Drive Not Available. See Other Models |
| Drive | Average Disk Rating | |
|---|---|---|
| WD BLACK SN850X NVMe 4000GB | 53,883 | |
| WD BLACK SN850X NVMe 2000GB | 53,568 | |
| Samsung SSD 990 PRO 2TB | 50,138 | |
| Samsung SSD 990 PRO 1TB | 48,879 | |
| WD BLACK SN850X NVMe 1000GB | 48,245 | |
| KINGSTON KC3000 1TB | 45,817 | |
| WD BLACK SN850 1TB | 42,503 | |
| Samsung SSD 980 PRO 2TB | 42,204 | |
| Samsung SSD 980 PRO 1TB | 39,217 | |
| WD BLACK SN850 500GB | 37,122 | |
| PassMark Software © 2008-2023 |
| Baseline | Disk Rating | |
|---|---|---|
| BL1911578 - Sep 25 2023 | 58541 | |
| BL1911034 - Sep 25 2023 | 53153 | |
| BL1910602 - Sep 24 2023 | 50190 | |
| BL1909739 - Sep 23 2023 | 57359 | |
| BL1909626 - Sep 23 2023 | 57516 | |
| PassMark Software © 2008-2023 |
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