Yes indeed they are full duplex. The Asante utility that ships with it shows it as well. Asante was always a class act as far as I can remember.

Yeah, my standards are pretty high, but if you go in with the thought that it's not going to be at the high end but with a realistic number set to go by, you will still be very happy with these cards. Then again I just spent the last 2 days trying to get the full 3 Gig/sec out of our IBM Z10 Mainframe OSA card setup. It can be done, but not without jacking the dispatcher priority of the tcp engine that controls it. Hello political nightmare at work

Macs are just so much easier to deal with!