Western Digital Black SN850X 4TB M.2 NVMe Gen4 SSD
Brand: WESTERN DIGITAL
SKU: WDS400T2X0E
Price: ₹95,590 (inclusive of GST · genuine product with warranty)
Capacity: 4 TB; Interface: PCIe Gen4 x4; Form factor: M.2 2280; Sequential Read: up to 7,300 MB/s; Sequential Write: up to 6,600 MB/s
Specifications
| Capacity | 4 TB |
|---|---|
| Security | TCG Opal v2.01 |
| Interface | PCIe Gen4 x4 |
| NAND type | Western Digital TLC 3D NAND |
| Form factor | M.2 2280 (M‑key) |
| Random Read | up to 1,200K IOPS |
| Random Write | up to 1,100K IOPS |
| Endurance (TBW) | 2,400 TBW |
| Sequential Read | up to 7,300 MB/s |
| Limited Warranty | 5 years |
| Sequential Write | up to 6,600 MB/s |
| Weight (heatsink) | ~30.4 g |
| Weight (no heatsink) | ~8.6 g |
| Dimensions (heatsink) | 80×24.46×10.31 mm |
| Operating Temperature | 0 °C to 85 °C |
| Dimensions (no heatsink) | 80×22×3.88 mm |
| Non‑Operating Temperature | ‑40 °C to 85 °C |
About this product
The WD Black SN850X 4 TB is a high‑capacity M.2 2280 NVMe SSD offering PCIe Gen4 x4 interface for ultra‑fast transfer speeds, delivering sequential read up to 7,300 MB/s and write up to 6,600 MB/s.
It uses Western Digital TLC 3D NAND and features technologies like Predictive Loading, Overhead Balancing and Adaptive Thermal Management (ATM), supported via WD Black Dashboard and Game Mode 2.0 on Windows.
The drive comes in versions with and without heatsink; the non‑heatsink variant weighs about 7.5 g and is ~3.88 mm thick, while the heatsink version is thicker (~10.31 mm) and heavier (~30.4 g). It is backward compatible with PCIe Gen3 and conforms to M.2 (M‑key) 2280 standards.
It carries a limited warranty of 5 years or TBW limit, whichever comes first, and supports TCG Opal v2.01 security.
Buy online at https://www.rj-quantum.com/products/western-digital-black-sn850x-4tb — secure checkout with UPI, cards & net-banking, GST invoice on every order, delivery across India.