The ADATA 256GB M.2 2242 NVMe SSD PCIe Gen3 x4 is an internal SSD designed for use with laptops and PCs. With a storage capacity of 256GB, this SSD offers fast transfer rates of up to 550 Mbps. It features a cache of 256MB and is compatible with M.2 NVMe interfaces. The sleek design, measuring 9.00 in height, and reliable performance make it an ideal choice for enhancing the speed and efficiency of your system.