The WD BLACK SN7100 4TB M. 2 2280 NVMe SSD is a high-performance internal SSD designed for use with laptops and PCs. 2 interface and 2.5-inch form factor make it compatible with a wide range of devices, while the 16MB cache and hybrid storage format ensure efficient data processing and storage. Ideal for those seeking a reliable and high-speed storage solution for their computing needs.