Optimized for safeguarding essential data while on-the-go, the Think Pad 750GB (1) USB (Universal Serial Bus) 3.0 Secure Hard Drive offers high-level 256-bit Advanced Encryption Standard (AES) security within a slim, lightweight, self-powered, easy-to-use design. Connectivity via either USB (Universal Serial Bus) 2.0 or USB (Universal Serial Bus) 3.0 interface Compact size No requirement for an AC power adapter Driverless operation under Microsoft Windows 7, Windows XP & Vista All stored data is fully encrypted using the AES 256-bit security encryption algorithm Real-time encryption with no read/write speed impact Shock-mounted 750 GB 5400 rpm hard drive capacity Built-in USB (Universal Serial Bus) 3.0 cable with an integral storage slot Integrated high-quality metal dome switch keypad for entering an 8 to 16 digit password for 1 user ID & 1 administrator ID USB (Universal Serial Bus) Y extension cable to ensure adequate power Attractive protective carrying case Non-skid anti-vibration pads High-quality Think Pad soft-touch paint Multi-coloured LED device status indicator