MyPassport 500GB USB 3.0
500GB - 5400RPM - USB 3.0 Interface - 2.5" External Hard Drive - Hardware Based Encryption and Password Protection - WD SmartWare Automatic Backup - USB Bus Powered - Silver Colour - Windows Compatible - 2 Year Depot Carry-In Mfg. Warranty
ThinkPad Secure 500GB USB 3.0
500GB - 5400RPM - USB 3.0 Interface - 2.5" External Hard Drive - Shock Absorbing Chassis - 256bit Hardware Based Encryption - USB Bus Powered - Windows Compatible - Keypad PIN Security - 3 Year Depot Carry-In Mfg. Warranty