Write-once WORM cartridge prevents the accidental or intentional altering or erasing of data and is excellent for long-term storage. As they feature native AES-256 bit key encryption, data protection is ensured. Active internal head cleaning and self-diagnostic capacities also provide superior reliability. Regarding dependable record protection, HP LTO cartridges have few peers. For Drive Type: LTO; Compatibility: Ultrium™ LTO 4; Maximum Native Data Capacity: 400.0 GB; Maximum Compressed Data Capacity: 800.0 GB.