If it helps, I bought circa 1993 an Apple Powerbook (for at the time an awful amount of money) running System 7, that came with 40, 80 or 120 MB disk:

https://en.wikipedia.org/wiki/Powerbook_160

I chose the 80 MB version as the 40 was too little, and the 120 was way too much for non-professional use (impossible to ever fill).