(1) See
USB drive.
(2) A device that spins, reads and writes a removable storage medium such as a CD, DVD or floppy disk. In the past, hard disks were also available as removable media (see
removable disk). The recording medium may be bare or encased in a cartridge, which is inserted into the drive's slot.
(3) A magnetic tape drive, all of which use removable cartridges or cassettes. See
magnetic tape.