General characteristics Media type Linear serpentine recording half-inch cartridge Data capacity 2.5 TB native Up to 6.25 TB with 2.5:1 data compression Cartridge models LTO Ultrium 6 2.5 TB rewritable data cartridge LTO Ultrium 6 2.5 TB non-erasable, non-rewritable WORM cartridge Tape characteristics Total tape thickness 6.1 µ (0.00024 in.) Tape length 885 m (2903 ft) Cartridge characteristics Cartridge size (L x W x D) 102.0 mm x 105.4 mm x 21.5 mm (4.02 in. x 4.15 in. x 0.85 in.) Data cartridge weight 200 g (0.441 lb) Cleaning cartridge weight 115 g (0.254 lb) Safety characteristics Toxicity: nonhazardous to human health in anticipated use Flammability: self-extinguishing per UL94