Also, since CP/M 3.0 on Z80 supported more than 64 kB memory via bank switching, one might expect CP/M to do so on other platforms too.
You probably mean "more than 64KB" or "more than 64KiB", but you're not wrong that 65,536 > 64,000
You probably mean "more than 64KB" or "more than 64KiB", but you're not wrong that 65,536 > 64,000