Exhaustively tested hpe lto ultrium cartridges meet all your demands for maximum reliability when restoring data offering high storage density ease of management and scalable storage and backup performance covering seven generations of capacity lto 1 200 gb lto 2 400 gb lto 3 800 gb lto 4 16 tb lto 5 3 tb lto 6 625 tb lto 7 15 tb and with transfer speeds of up to 25 tbhr for lto 7 there is a platform for every need and budget from lto 3 onwards lto ultrium worm