Form Factor: 2.5" Interface: USB 2.0 / eSATA Dimensions: 4.7" x 3.3" x 0.75" Weight: 6.2 oz. Features: Secure PIN Access Real-time 256-bit Hardware Encryption Ultra-fast eSATA and USB interface for data transfer rates of up to 90MB/sec Allows up to 10 PIN Passkeys Extensive shock mounting Bus Powered Software free design Compatible with any OS - Windows, Mac & Linux Parts: 3 years limited Labor: 3 years limited