Exhaustively tested, these cartridges meet your demands for maximum reliability when restoring data, offering high storage density, easy of management and scalable storage and backup performance. LTO Ultrium Write-Once-Read-Many (WORM) cartridges enable the creation of compliant, permanent and tamperproof archives with data encryption for enhanced data security. For Drive Type: LTO; Compatibility: Ultrium LTO 6; Maximum Native Data Capacity: 2.5 TB; Maximum Compressed Data Capacity: 6.25 TB.