Not going to respond to spurious nonsense in this thread. I think that's why revel started his own thread to "confirm" our findings. Let his be the one with spurious nonsense. 7950 works great. If it has 2 @ 6 PIN PLUGS, GREAT, THAT'S EXACTLY WHAT THE MAC PRO IS DESIGNED TO DELIVER. PROBLEM SOLVED, NONSENSE AVERTED !!!