WD_BLACK SN7100 NVMe SSD, 4 TB (WDS400T4X0E-00CJA0) is a solid-state drive for expanding storage in a compatible computer. Its M.2 2280 form factor and PCIe Gen 4x4 NVMe interface make it a compact storage option for systems designed for this type of drive.
The drive uses TLC 3D NAND and offers sequential read speeds up to 7,000 MB/s and write speeds up to 6,700 MB/s. These transfer rates can help with loading and moving large files. The 4 TB model is aimed at gaming and use in laptops and handheld gaming devices. Its stated write endurance is 2,400 TBW, a useful reference for workloads involving frequent data writes.