The SK Hynix 512GB BC901 M.2 NVMe Gen 4x4 SSD 2280 is a high-performance internal SSD designed for use with laptops and PCs. With a storage capacity of 512 GB, this SSD offers fast write speeds and operates at four times the speed of a standard SSD. The green-colored unit features a removable design and is compatible with M.2 interfaces. Manufactured by SK hynix, a reliable brand known for quality memory solutions, this SSD is a versatile and efficient storage option for various computing needs.