The SK Hynix 512GB M.2 2280 BC711 NVMe is a high-performance internal SSD designed for use with PCs. With a storage capacity of 512GB and a transfer rate of 550 Mbps, this NVMe Gen 3.0 x 4 solid-state drive offers fast and efficient data storage and retrieval. The green-colored SK hynix brand unit is compatible with M.2 interfaces and provides a write speed that is 4 times faster than traditional SSDs. With a cache size of 512 MB, this SSD is a reliable choice for those looking to upgrade their storage capabilities.