My Passport Ultra portable drives come in 3 TB, 2 TB, 1 TB and 500 GB capacities and feature 256-bit AES hardware encryption3 - delivering a high level of security with no impact to write-speed or CPU activity. If your My Passport Ultra falls into the wrong hands, the 256-bit AES hardware encryption protects users' files, folders, photos, videos and music with a password known only to them. USB 3.0 compatibility provides fast data transfer rates of up to 5 gigabits per second, while being backwardly compatible with USB 2.0. My Passport for Mac portable drives are available in capacities of 3 TB, 2 TB, 1 TB and also feature 256-bit AES hardware encryption with USB 3.0 connectivity.