Several different versions of the Quarter Inch Cartridge used for data backup.

Quarter inch cartridge tape (abbreviated QIC, commonly pronounced "quick") is a magnetic tape data storage format introduced by 3M in 1972, with derivatives still in use as of 2009.

System Industries, a third-party provider of DEC compatible equipment, used a 68B09E processor running OS9 in its QIC (quarter inch cartridge) tape backup controllers in VAX installations.