Floppy/USB Drive Capacities

By cortneydevito

  • 8-inch DSDD IBM 53FD / Shugart 850

    1.2 MB 8-inch, 2-sided, double-density

  • 5¼-inch HD

    1.2 MB 5.25-inch, 2-sided, 15-sector

  • IBM PC compatibles

    180K 5.25-inch, 1-sided, 9-sector
    Density: Double

  • IBM PC compatibles

    250.25K 8-inch, 1-sided, single-density

  • IBM PC compatibles

    500.5K 8-inch, 2-sided, single-density

  • IBM PC compatibles

    320K 5.25-inch, 2-sided, 8-sector

  • Coleco ADAM

    160K 5.25-inch, 1-sided, 8-sector

  • Atari ST/TT/Falcon

    720K 3.5-inch, 2-sided, 9-sector

  • NEC PC98

    360K 5.25-inch, 2-sided, 9-sector

  • 3½-inch HD

    1.44 MB 3.5-inch, 2-sided, 18-sector

  • 3½-inch ED

    2.88 MB 3.5-inch, 2-sided, 36-sector