LTO Ultrium WORM (Write Once, Read Many) media cartridges are available to meet todays stringent regulatory and compliance requirements. Combined with native AES 256-bit encryption on LTO-6, LTO-5 and LTO-4 drives, WORM cartridges physically prevent data from being overwritten or tampered with, providing a reliable, accurate and scalable data integrity solution. Quantums LTO media offering supports your comprehensive, edge-to-core backup, recovery and archive strategy. When you use Quantum media and hardware, you get the added assurance of over 30 years of storage experience and service behind the entire solution.