The Western Digital WDS400T2X0E Black SN850X is a 4TB NVMe SSD engineered for enthusiasts, gamers, and professionals who require massive storage capacity combined with cutting-edge performance. Leveraging the PCIe 4.0 x4 interface and NVMe 1.4 protocol, it delivers extremely high sequential read speeds of up to 7,300 MB/s and write speeds up to 6,600 MB/s, enabling near-instant boot times, rapid application launches, and seamless handling of large files and complex workloads.Constructed with Triple-Level Cell (TLC) NAND flash, the SN850X provides an optimal balance of performance, endurance, and efficiency. Its M.2 2280 form factor allows direct motherboard installation, reducing cable clutter and improving system airflow, which is especially beneficial for high-performance gaming PCs, workstations, and content creation systems.
Part Number: WDS400T2X0E
Brand: Western Digital
Model: Black SN850X 4TB NVMe SSD
Form Factor: M.2 2280
Interface: PCIe Gen4 x4 NVMe
Capacity: 4TB
NAND Type: 3D TLC
Usage Type: Performance / Gaming
Read Speed: Up to 7,300 MB/s
Write Speed: Up to 6,600 MB/s
Read IOPS: Up to 1,000K
Write IOPS: Up to 720K
Endurance: ~1,200 TBW
MTBF: 1.75M hours
Temp Range: 0°C–70°C
Encryption: AES 256-bit SED
