I had a 5 megabyte HD once (given to me for my experiments), but the smallest I actually used was a 20 megabyte one, for which I designed the controller interface. And that was already on my third computer. Before that, it was casette tape (TI99/4A) and 5.25in 170 kilobyte floppy disk (C64).
The HDD in our first family computer had 1.5 GB. This was at the end of 1996.
I had a 5 megabyte HD once (given to me for my experiments), but the smallest I actually used was a 20 megabyte one, for which I designed the controller interface. And that was already on my third computer. Before that, it was casette tape (TI99/4A) and 5.25in 170 kilobyte floppy disk (C64).