WD WD_BLACK SN850X
WD_BLACK SN850X NVMe SSD 4TB (WDS400T2X0E-00BCA0)
PCIe Gen4 x4 NVMe · M.2 2280 · SanDisk TLC 3D NAND · Up to 7,300 MB/s Read
MPNWDS400T2X0E-00BCA0
EAN718037891378
CategorySolid State Drives
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Price Trend
Last updated: 2026-09-30Note: this chart shows historical reference pricing for trend insight only — it is not a live quote. To place an order or get current pricing, please contact us or your dedicated sales manager.
Full Specifications
Data sourced from WD product specifications
| Storage | |
| Product Line | WD_BLACK SN850X |
| Capacity | 4TB |
| Form Factor | M.2 2280 |
| Interface | PCIe Gen4 x4 NVMe |
| NAND Type | SanDisk TLC 3D NAND |
| Performance | |
| Sequential Read | Up to 7,300 MB/s |
| Sequential Write | Up to 6,600 MB/s |
| Random Read IOPS | 1,200,000 |
| Random Write IOPS | 1,100,000 |
| Endurance & Reliability | |
| Endurance (TBW) | 2,400 TBW |
| Warranty | 5 years |
| Product | |
| Brand | WD |
| MPN | WDS400T2X0E-00BCA0 |
| EAN | 718037891378 |
| Physical | |
| Weight | 0.060 kg |
| Package Dimensions | 12.8 x 14 x 2.5 cm |
Support & Downloads
WD_BLACK SN850X NVMe SSD 4TB Firmware Update
WD Support →WD_BLACK SN850X NVMe SSD 4TB Datasheet
WD Support →