Apparently, the original 8" floppy, IBM's nicely named "Diskette 1", held around 240 KB. https://en.wikipedia.org/wiki/Floppy_disk#8-inch_floppy_disk https://e

Apparently, the original 8" floppy, IBM's nicely named "Diskette 1", held around 240 KB. https://en.wikipedia.org/wiki/Floppy_disk#8-inch_floppy_disk https://en.wikipedia.org/wiki/Floppy_disk#8-inch_floppy_disk > it was IBM's 1973 introduction of the 3740 data entry system[24] that began the establishment of floppy disks, called by IBM the "Diskette 1", as an industry standard for information interchange. The formatted diskette for this system stored 242,944 bytes