IMATION
The Imation BlackWatch 3480 1/2" tape cartridge (051111 125144 or 84-9801-6023-2) has 18 tracks and a capacity of up to 210MB. THis Imation 3480 tape can be used in all 3480 tape drives.
The 3480 210MB 1/2" data cartridge has been discontinued by Imation...