Built without moving components, this SanDisk Optimus SSD renders silent operation and durability. The 6-Gb/s SAS interface of this 2.5" drive enables quick and efficient data transfer. For storing digital content and data backup, the Optimus model offers 800 space. The dimensions of this data storage unit are 0.4 inch height, 2.8 inch width, 3.9 inch depth, and its weight is 4.2 lbs.