Built without moving components, this Samsung SM951 SSD renders silent operation and durability. The PCI Express 3 interface of this M.2 drive enables quick and efficient data transfer. For storing digital content and data backup, the SM951 model offers 256 space. The dimensions of this data storage unit are 0.15 inch height, 0.87 inch width, 3.15 inch depth, and its weight is 0.02 lbs.