. The Ultrium tape format is the implementation of the Linear Tape-Open (LTO) technology that is designed to provide high capacity & performance with exceptional reliability in either a st&-alone or an automated environment. It uses a single-reel cartridge & is ideally suited for large volume backup restore & archive applications Key Product Info. Cartridge memory built into every data cartridge to help enhance functionality & media reliability by storing access history & media performance information for use by the tape drive every time the cartridge is accessed Half-inch particle tape with a 2.5 TB native capacity in a single cartridge