The MZ-VLB256B Samsung PM981a 256GB PCIE 3.0 x4 NVMe M.2 2280 Solid State Drive is a high-performance internal SSD designed for use with laptops and PCs. With a read speed of 3500MB/s and a write speed that is 4 times faster, this green-colored drive offers fast data transfer rates. It has a storage capacity of 256GB and features a removable design, making it ideal for those in need of high-speed storage solutions. The Samsung brand ensures reliability, backed by a 1-year manufacturer warranty.