Apple Tape Backup 40SC
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 | |
| Introduced | 1987 |
|---|---|
| Discontinued | 1994 |
| Cost | US$1,499 (equivalent to $4,149 in 2024)[1] |
| Type | Tape drive |
| Connection | SCSI |
| Ports | 2 SCSI ports |
| Power consumption | 15 – 60 watts |
| Weight | 7.3 lb (3.3 kg) |
| Dimensions | 246 mm (W) × 266 mm (D) × 78 mm (H) |
The Apple Tape Backup 40SC is an external, SCSI-interfaced, 1⁄4-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]
- Recording media: Industry-standard, DC 2000 1⁄4-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]