WD Black SN850X 4 TB (WDS400T2X0E)

The WD Black SN850X is an M.2 2280 solid-state drive that uses the PCI Express 4.0 x4 interface and NVMe 1.4 protocol. It utilizes 3D TLC NAND flash memory. Available capacities include 1 TB, 2 TB, 4 TB, and 8 TB versions. Maximum sequential read speed reaches up to 7300 MB/s, with write speeds up to 6600 MB/s depending on configuration. The WD Black SN850X comes in versions with or without a heatspreader, allowing installation in both desktop PCs and gaming consoles, including PlayStation 5. It supports Game Mode 2.0 technology, which optimizes performance in games. The built-in cache and proprietary controller design ensure stable operation under heavy workloads. The drive supports TRIM, S.M.A.R.T., and AES-256 encryption features. Mean time between failures is rated at 1.75 million hours. The drive delivers impressive random operation speeds: up to 1,200,000 IOPS for reads and up to 1,100,000 IOPS for writes. TBW rating can reach 4800 TB depending on capacity. Power consumption is optimized for different workload profiles with power-saving modes available. Compatibility is ensured with Windows, Linux, and macOS. Installation is possible in any system supporting M.2 PCIe Gen4. The WD Black SN850X is designed for systems where high throughput and fast response times matter, including gaming PCs, workstations, and performance-oriented builds that prioritize fast application loading and large data transfers.