Backup devices include tape drive, ZIP drive and floppy drive. Tape drive is a data storage device that reads and writes data stored on a magnetic tape. Tape drive is a typically used for archival storage of data stored on hard drives. Tape media generally has a favorable unit cost and long archival stability. ZIP drive is a medium-capacity removable disk storage system. Floppy disk is an obsolescent data storage medium that is composed of a disk of thin. Floppy disks are read and written by a floppy disk drive or FDD.