HP LTO-4 Ultrium 1840 tape represents HP's fourth-generation of LTO tape drive technology capable of storing up to 1.6 TB per cartridge while providing hardware-based data encryption to enable greater levels of security and unprecedented performance. AES 256-bit hardware data encryption provides easy-to-enable security to protect the most sensitive data and prevent unauthorized access of tape cartridges. By using Ultrium 1840 hardware data encryption, not only is data fully capable of being compressed therefore maximizing capacity, encrypted backups are completed without a loss in performance. Capable of data transfer rates up to 240 MB/sec, HP's exclusive data rate matching feature further optimizes performance by matching speed of host to keep drives streaming and increase the reliability of the drive and media.