Quantum media cartridges are manufactured to industry standards for quality and reliability, ensuring low error rates, high performance and long-term durability. Quantum media allows you to archive your data with confidence. Quantums's LTO Ultrium tape format has been optimized for high capacity and performance with outstanding reliability, in either stand-alone or automated environments. The Quantum LTO Ultrium product line ranges from 200GB to 400GB capacity per cartridge, making it an ideal choice for capacity specific backup and archive applications.