The i Storage disk G is the secure, compact & affordable USB (Universal Serial Bus) 2.0 portable hard drive, employing PIN code access with 128-bit or 256-bit AES hardware encryption. The i Storage disk G utilizes military grade AES 128-bit or 256-bit hardware encryption, which encrypts ALL data stored on the drive in real time, making it as fast & in many cases faster than any non-encrypted USB (Universal Serial Bus) 2.0 hard drive.