Floppy and USB Drives Timeline

By Butterman1125

  • 8-inch: Memorex 650

    175kB(formatted), 1.5MG(unformatted) when marketed.

  • 5.25-inch DD (DD=Double Density)

    360 or 800kB(formatted), 360kB when Marketed

  • 5.25-inch HD (HD=High Density)

    1200kB(Formated), 1.2MB(Marketed)

  • 3.5-inch DS DD (DS=Double Sided, DD=Double Density)

    720kB(800 on Macintosh,880KB on Amiga,Formatted)1MB(Marketed)

  • 3.5-inch HD (HD=High Density)

    1440kB(1760kB on Amiga,Formatted),1.44MB(2MB unformatted,Marketed)

  • 3.5-inch ED (ED=Extended Density)

    2880kB(Formatted), 2.88MB (Marketed)

  • USB 1.0

    Low Speed (1.5 Mbit/s), Full Speed (12 Mbit/s)

  • USB 1.1

  • USB 2.0

    High Speed (480 Mbit/s)

  • USB 3.0

    SuperSpeed (5 Gbit/s), Also referred to as USB 3.1 Gen 1 by USB 3.1 standard