According to this article, it's far worse than that: eight inch floppy disks! Capacity might be as much as 1.2MB per disk, but probably less. https://simpleflying.com/americas-atc-floppy-disks-12-billio...

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SoftTalker 16 hours ago | parent | next [-]

Aha so that answers my question about why they haven't at least switched to USB thumb drives for their sneakernet. These aren't PCs. Probably minicomputers such as a TI-990 or similar. They don't have USB ports.

	▲	dboreham 12 hours ago \| parent [-]
		That said the 3.5" drives were actually electrically compatible with the double density 8" SA-800 drives.

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myrandomcomment 10 hours ago | parent | prev [-]

If anyone wants to see the guts of an 8-inch drive and how complex it is check out this video from Adrian's Digital Basement.

https://youtu.be/hQY0DI7nKaM