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Apple 3.5 Drive

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Small in size but large in power, the Apple 3.5 Drive stores 800K of data on a single 3.5-inch disk. It's a flexible, economical choice for owners of Macintosh Plus, Macintosh SE, and Apple IIGS personal computers who want high-capacity storage at an afford­able price.


Recording media:

  • Disk diameter: 3.5 inches
  • Recording surfaces: 2
  • Tracks per inch: 80


  • Formatted data capacity: 800 kilobytes
  • Unformatted data capacity: 1,246 kilobytes

Drive characteristics:

  • Seek time (track to track): 6 milliseconds maximum
  • Settle time: 30 milliseconds maximum
  • Drive startup time: 600 mil­liseconds maximum

Head position accuracy:

  • ±0.035mm

Size and weight:

  • Height: 2.01 in. (51 mm)
  • Width: 4.72 in. (120 mm)
  • Depth: 7:87 in. (200 mm)
  • Weight: 2.8 lb. (1.3 kg)


See Also