Built without moving components, this Samsung PM851 SSD (Solid State Drive) renders silent operation and durability. The 6-Gb/s SATA and mini-SATA interfaces of this drive enable quick and efficient data transfer. For storing digital content and data backup, the PM851 model offers 256 GB space. This disk is designed for notebook and tablet PCs and uses NAND Flash technology. The dimensions of this data storage unit are 0.2 inch height, 1.2 inch width, 2 inch depth, and its weight is 0.01 lb.