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
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