Media type Linear serpentine recording half-inch cartridge Data capacity 12 TB native Up to 30 TB with 2.5:1 data compression Cartridge models LTO Ultrium 8 12 TB rewritable data cartridge LTO Ultrium 8 12 TB non-erasable, non-rewritable WORM cartridge Total tape thickness 5.6 µ (0.00022 in.) Tape length 960 m (3,149.61 ft) Cartridge size (L x W x D) 102.0 mm x 105.4 mm x 21.55 mm (4.0 in. x 4.1 in. x 0.8 in.) Data cartridge weight 200 g (0.441 lb) LTO Ultrium 8 data cartridge 3589-652 (p/n 01PL041), 3589-552 (p/n 01PL041L) LTO Ultrium 8 WORM cartridge 3589-672 (p/n 01PL042), 3589-572 (p/n 01PL042L) LTO Ultrium universal cleaning cartridge 3589-004 (p/n 35L2086)