Apple Tape Backup 40SC

The Apple Tape Backup 40SC is an external, SCSI-interfaced, 14-inch (6.35 mm) QIC, mini-cartridge tape drive.[2] It was first introduced by Apple Inc. in 1987 and discontinued in 1994.[3] The drive came bundled with Retrospect backup software.[4][2][5] The drive is also compatible with the tape software included with A/UX.[6][7]

Apple Tape Backup 40SC
Introduced1987 (1987)
Discontinued1994 (1994)
CostUS$1,499 (equivalent to $3,575 in 2021)[1]
TypeTape drive
Ports2 SCSI ports
Power consumption15 – 60 watts
Weight7.3 lb (3.3 kg)
Dimensions246 mm (W) × 266 mm (D) × 78 mm (H)

Technical specifications

  • Recording media: Industry-standard, DC 2000 14-inch (6.35 mm) QIC mini-cartridge.[2]
  • Formatted capacity: 38.5 megabytes.[3]
  • Block size: 8,192 bytes.[3]
  • Transfer rate: 1.25 megabyte per second.[3]
  • Interface: SCSI. Connected directly to Macintosh Plus, Macintosh SE or Macintosh II via a 50-pin SCSI port or to a compatible hard disk drive.[2][3]
  • Volume backup time: Approximately 17–18 minutes per 20 megabytes.[3]

See also


  1. Irwin Model 5080 Has Twice The Storage of Competitors Archived May 25, 2018, at the Wayback Machine, By Kevin Susco, InfoWorld, 5 Dec 1988, Page 88, ...For example, the Apple Tape Backup 40 SC cost $1,499,...
  2. "Apple Tape Backup 40SC Description, Compatibility (Discontinued)". October 4, 2008. Archived from the original on September 27, 2022. Retrieved November 17, 2011.
  3. "Tape Backup 40SC". Retrieved November 17, 2011.
  4. Apple Bundles Tape Backup With Retrospect Software Archived May 25, 2018, at the Wayback Machine, By Laurie Flynn, InfoWorld, 25 Sep 1989, Page 33, ...will bundle Dantz Development Corp.s Retrospect backup and archiving software with the Apple Tape Backup 40SC...
  5. "Product Pipeline". InfoWorld. November 13, 1989.
  6. Don Crabb (1992). MacWEEK guide to System 7. Ziff-Davis Press. p. 270.
  7. Backup Systems for the Macintosh Archived May 25, 2018, at the Wayback Machine, By Don Crabb, InfoWorld, 3 Aug 1987, Page 43, ...(Production units of the Apple Tape 40-SC were not available for testing.)...
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