Floppy and USB Timeline

  • 8-inch: IBM 23FD (read-only)

  • 8-inch: Memorex 650

  • 8-inch: SSSDIBM 33FD/Shugart 901

  • 8-inch: DSSDIBM 43FD/Shugart 850

  • 5¼-inch (35 track) Shugart SA 400

  • 8-inch DSDDIBM 53FD / Shugart 850

  • 5¼-inch DD

  • 5¼-inch Apple Disk II (Pre-DOS 3.3)

  • 5¼-inch Atari DOS 2.0S

  • 5¼-inch Apple Disk II (DOS 3.3)

  • 3½-inch HP single sided

  • 3-inch

  • 5¼-inch QD

  • 5¼-inch HD

  • 5¼-inch Atari DOS 3

  • 3½-inch SS (DD at release)

  • 3½-inch DS DD

  • 5¼-inch QD

  • 3-inch DD

  • 3-inch Mitsumi Quick Disk

  • 2 1⁄2-inch

  • 5¼-inch Perpendicular

  • 3½-inch HD

  • 3½-inch ED

  • 2-inch

  • 3½-inch Floptical (LS)

  • USB 0.8

  • USB 0.9

  • USB 0.99

  • USB 1.0 Release Candidate

  • 3½-inch Superdisk (LS-120)

  • USB 1.0

  • 3½-inch Superdisk (LS-240)

  • USB 2.0

  • USB 1.1

  • 3½-inch HiFD

  • USB 3.0

  • USB 3.1