Interface: SATA 6Gb/sCache: 64MBCapacity: 2TBSpin Speed (RPM): 7200 RPM..

 ST4000DM004Interface : SATA 6Gb/sCache: 256MBCapacity: 4TBForm Factor: 3.5"Cost-effective storage upgrade for laptop or desktop computers Store all your games, music, movies and more with up to 4TB of storage SATA 6Gb/s interface optimizes burst performance Seagate Secure models for hardware-based data security Instant Sec..