Over 1,000,000 Hard Drives Benchmarked
Price and performance details for the WD BLACK SN850X 4TB 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: 73.33
Overall Rank: 230
Last Price Change: $699.99 USD (2022-08-22)
| Sequential Read | 6,604 MBytes/Sec |
|---|---|
| Sequential Write | 5,741 MBytes/Sec |
| Random Seek Read Write (IOPS 32KQD20) | 4,425 MBytes/Sec |
| IOPS 4KQD1 | 99 MBytes/Sec |
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| Drive | Average Disk Rating | |
|---|---|---|
| WD BLACK SN850X 2000GB | 51,689 | |
| WD BLACK SN850X 4TB | 51,333 | |
| Samsung 990 Pro PM9F1 4TB SSD | 51,226 | |
| Samsung 990 Pro PM9F1 2TB SSD | 49,889 | |
| KINGSTON FURY Renegade 2TB SSD | 49,486 | |
| KINGSTON KC3000 2TB | 49,120 | |
| Samsung 990 Pro PM9F1 1TB SSD | 48,665 | |
| WD BLACK SN850X 1TB | 47,014 | |
| Kingston FURY Renegade 1TB SSD | 44,679 | |
| KINGSTON KC3000 1TB | 44,261 | |
| PassMark Software © 2008-2025 |
| Baseline | Disk Rating | |
|---|---|---|
| BL3034836 - Nov 07 2025 | 52060 | |
| BL3034428 - Nov 07 2025 | 30363 | |
| BL3034016 - Nov 07 2025 | 35844 | |
| BL3033820 - Nov 07 2025 | 32801 | |
| BL3033711 - Nov 07 2025 | 55364 | |
| PassMark Software © 2008-2025 |