LTO3 Ultrium 800GB Data Cartridge Yellow 20-pack C7973AN HP LTO Ultrium data cartridges are designed to take full advantage of LTO Ultrium technology and contain features that are exclusive to HP. HP LTO Ultrium data cartridges feature active internal head cleaning, self-diagnostic capacities, cartridge memory and are designed for long life and superior reliability. 400GB (Native)/800GB (Compressed), Tape Length: 2230.97 ft