Apricorn Aegis Padlock 500 GB USB 2.0 128-bit Encrypted Portable External Hard Drive A25-PL128-500 (Grey) Hardware Encrypted Drive - Real-time 128-bit or 256-bit AES encryption seamlessly encrypts all data on the drive Bus powered - Bus powered from standard USB Port Ideal for IT departments looking to secure their mobile users, by allowing setup of administrator access to the drive Integrated USB cable Worry free 3 year warranty