floppy drives and USB drives

By caz321

  • 8-inch: IBM 23FD (read-only)

    79.75 kB[24] not marketed commercially

  • 8-inch: Memorex 650

    175 kB 1.5 megabit unformatted[25]

  • 8-inch: SSSDIBM 33FD/Shugart 901

    237.25 kB[24][26] 3.1 megabit unformatted

  • 5¼-inch (35 track) Shugart SA 400

    500.5 kB[24] 6.2 megabit unformatted

  • 8-inch: DSSDIBM 43FD/Shugart 850

    500.5 kB[24] 6.2 megabit unformatted

  • 8-inch DSDDIBM 53FD / Shugart 850

    980 kB (CP/M) – 1200 kB (MS-DOS FAT) 1.2 MB
    5¼-inch DD 1978 360 or 800 kB 360 kB

  • 5¼-inch Apple Disk II (DOS 3.3)

    140 kB (256 byte sectors, 16 sectors/track, 35 tracks) 140 kB

  • 3-inch

    360 kB[citation needed] 125 kB (SS/SD), 500 kB (DS/DD)[30]

  • 3½-inch HP single sided

    256×16×70 = 280 kB 264 kB

  • 5¼-inch RX50 (SSQD)

    400 kB[citation needed] 400 kB

  • 5¼-inch HD

    720 kB[citation needed]

  • 5¼-inch Atari DOS 3

    127 kB (128 byte sectors, 26 sectors/track, 40 tracks) 130 kB

  • 3½-inch SS (DD at release)

    360 kB (400 on Macintosh) 500 kB

  • 3½-inch DS DD

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

  • 3½-inch HD

    1440 kB (1760 kB on Amiga) 1.44 MB (2.0 MB unformatted)

  • 3½-inch ED

    2880 kB 2.88 MB

  • 3½-inch Floptical (LS)

    20385 kB 21 MB

  • 3½-inch Superdisk (LS-120)

    120.375 MB 120 MB

  • 3½-inch Superdisk (LS-240)

    240.75 MB 240 MB

  • 3½-inch HiFD

    150/200 MB[citation needed] 150/200 MB