Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
IF it even works, you'll need to flash it with the 8800 GT ROM. It won't work stock. It'll be downclocked for the model.
 
Do you mean so it will work with mac os? This card will be for windows only I will using radeon card it came with for mac. My main problem is if I have enough power for it. This is a 8core mac btw
 
Oh, well, in that case, yeah, you're fine. Just plug the six-pin molex into the open power spot on the motherboard and you should be okay.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.