The SK Hynix BC901 NVMe 256GB PCIe Gen 4x 4 SSD is a high-performance internal SSD designed for use in laptops and PCs. With a read speed of 3500MB/s and a write speed that is 4 times faster, this SSD offers fast data transfer rates. The drive is compact, with a form factor of 0.7 inches, and features a green color. With a storage capacity of 256GB and a cache of 512MB, this SSD from SK hynix is a reliable and efficient storage solution. Made in South Korea, this SSD is compatible with M.2 and NVMe interfaces for seamless connectivity.