Fuji Film LTO Ultrium-4 Data Tape Cartridge (800GB/1600GB) Looking for a reliable data cartridge solution? The LTO Ultrium 4 FujiFillm technology is high-performance and powerful, but also very reliable. It holds a native capacity of 800GB and a compressed capacity of 1.6TB with transfer speeds up to 240 MB/second. It undergoes a thin-film coating process for higher capacity and quality. It also has encryption capability which helps increase performance value for maximum security. The WORM functionality allows WORM enabled and non-WORM enabled drives to co-exist, leading to more cost-effective data storage.