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General Floppy Drive Information

General FDD Specs | Primary Brand Names | Additional FDD Resources


General FDD Specifications

Storage Capacity Size Media Sides Tracks Sectors ID
1.44Mb 3.5" DSHD 2 80 18 F0
720Kb 3.5" DSDD 2 80 9 F9
1.2Mb 5.25" DSHD 2 80 15 F9
360Kb 5.25" DSDD 2 40 9 FD
180Kb 5.25" SSDD 1 40 9 FC

Drive Sizes

  • 1.44Mb 3.5" FDD (Most Common)
    • HD Hight Density
  • 2.88Mb 3.5" FDD (Rare)
    • ED Extended Density
  • 720k 3.5" FDD (Rare)
    • DD Double Density
  • 1.2Mb 5.25" FDD (Uncommon)
    • DSHD Double Sided High Density
  • 360k 5.25" FDD (Rare)
    • DS Double Sided
  • 160k 5.25" FDD SDSD (Rare)
    • SS Single Sided
  • 8" 160k FDD (Obsolete)

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Primary Brand Names Sold and Supported

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Additional Resources

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Last modified: November 7, 2011

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