Wiktionary
megabaud
n. (context computing English) one million baud
Usage examples of "megabaud".
When you’re talking in the megabaud range, even a twentieth of a millisecond is a significant pause, and this was a lot longer than that.
So even though I could uptake the information at around ten megabaud, that doesn't do me any good, because my eye muscles can only move about a hundredth that fast.