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Apple 3.5 Drive
From Higher Intellect Vintage Wiki
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.
Specifications
Recording media:
- Disk diameter: 3.5 inches
- Recording surfaces: 2
- Tracks per inch: 80
Capacity:
- 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)