LTO Ultrium Generation II Data Cartridge lets users store 400 GB of compressed data on a single cartridge in less than two hours. The second generation of LTO, Ultrium II has a native capacity of 200 GB per cartridge and a compressed capacity of 400 GB per cartridge. Offers a transfer rate of up to 40 MB per second native, up to 80 MB per second compressed. Fully compatible with all Ultrium-certified tape drives. Color coded to prevent loading the wrong media into a drive. Data cartridge provides the highest level of quality through comprehensive testing and qualification processes.