The Apple Tape Backup 40SC is a tape backup device that was designed for use with Macintosh computers, primarily in the late 1990s. It was part of the SCSI (Small Computer System Interface) family of products and offered a way to back up data onto magnetic tape. The "40SC" in its name indicates its storage capacity and speed—specifically, it could back up data at a rate of 40 MB per minute.
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