Fantom Drives DSS500 DataShield 500GB SSD AES Hardware Encrypted Portable USB 3 External Solid State Drive 256-bit AES Hardware Encrypted Military Grade Security - Comes with auto lockout feature when hard drive is inactive for 10 minutes Built-in keypad Up to 12-digit pass code combinations Plug & play simplicity - no software required PC & Mac compatible Portable - requires no external power supply Newest generation USB 3.0 (backwards compatible with USB 2.0) 2 Year Limited Warranty