Third generation HP Ultrium 800GB RW Data Cartridge offers the highest capacity and best cost per GB of any tape technology available, re-inforced by the HP Brand specification the industry's most demanding media quality standard Highest capacity and performance of any tape technology - 800 GB capacity and 160 MB/sec transfer rate Smoother basefilm and smaller magnetic particles increase bit density, allowing more data in the same amount of tape This increases the number of recording tracks from 512 for Ultrium 2, to 706 for third generation HP Increased margin between Early Warning End of Media (EWEOM) and End of Media (EOM), which means data on a full tape will fit on to the destination tape when copying tapes Capacity: 400/800GB