Optimised for safeguarding essential data while on-the-go, the ThinkPad USB 3.0 2TB Secure Hard Drive offers high-level 256-bit Advanced Encryption Standard (AES) security within a slim, lightweight, self-powered, easy-to-use design.Features: Connectivity via either USB 2.0 or USB 3.0 interface Compact size No drivers required 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 2TB 5400 rpm hard drive capacity Built-in USB 3.0 cable with an integral storage slot Integrated high-quality metal dome switch keypad for entering an 8 to 16-digit password for 4 users ID and 1 administrator ID USB Y extension cable to ensure adequate power Attractive protective carrying case Non-skid anti-vibration pads High-quality ThinkPad soft-touch paint Multi-coloured LED device status indicator The ThinkPad USB 3.0 2TB Secure Hard Drive option also enables: Easy and secure storage expansion No software installation and no power adapter required for operation Built-in administrative password management Simple file backup Notes: 1 - Requires 1 or 2 USB 2.0 ports or 1 USB 3.0 port depending on system configuration.