IBM LTO Ultrium 4 800 GB Data Cartridge IBM is delivering high-capacity LTO Generation 4 media that provides clients the ability to meet the demanding growth in data storage. The increase in cartridge capacity helps reduce the amount of equipment, space and human intervention required for daily tape operations. In addition, it reduces the number of cartridges needed for backup and restore operations and helps to lower operational costs throughout the enterprise. Capacity (native)800 GB Capacity (compressed)1.6 TB