The SK Hynix SC311 Dell 6HG72 128GB M.2 2280 SATA SSD is a green internal SSD with a storage capacity of 128GB, designed for use with laptops and PCs. This solid-state drive offers fast read speeds of up to 500MB/s and a transfer rate of 300 Mbps. Featuring a removable design, this SSD from SK Hynix is a reliable and high-performance storage solution for computers and tablets. Made in China, this M.2 interface SSD also boasts a cache size of 128MB and a write speed that is twice as fast as the read speed.