RPM: 5400 RPM Form Factor: 2.5" Interface: USB 2.0 Cache: 8MB Average Seek Time: 12ms Dimensions: 1.1" x 5.0" x 3.0" Weight: 0.44 lbs. Features: AES 256-bit "on-the-fly" Encryption/Decryption Full Disk Encryption by CE-Secure Software leaves no footprint on your computer Pre-encrypted for easy operation Transportable from system to system Bus powered, USB 2.0 interface Shock protected for physical data protection Includes BounceBack Express Backup & Restore software