Originally Posted by The Highlander

Yeah Many people are confused. You are not only the one.

USB High speed (USB 2.0)
480 Mbit/s
60 MB/s

Firewire 400 (IEEE 1394)
400 Mbit/s
50 MB/s

Firewire 800 (IEEE 1394b)
800 Mbit/s
100 MB/s


Megabit is referring to data transfer rates.

I like to said Mbit/s over Mb to avoid from the confuse. Never said mb/s or kb/s if you talk about Mbit/s or Kilobit/s