Floppy and USB By Duncedrin Jan 1, 1978 360K 5.25-inch, 2-sided, 9-sector Sep 20, 1978 360K 5.25-inch, 2-sided, 9-sector Sep 20, 1982 1.2 MB 5.25-inch, 2-sided, 15-sector Jan 1, 1987 1.44 MB 3.5-inch, 2-sided, 18-sector 1987 Sep 20, 1996 USB 1.0 Sep 20, 1998 USB 1.1 Sep 20, 2000 USB 2.0 Sep 20, 2008 USB 3.0