Need input on new computer

[BobN]

So...about the power supply. I keep reading about how it's better to have a bigger power source than you need than less, but how do I determine to total/minimum my system would require?

 

[JJCG]

So...about the power supply. I keep reading about how it's better to have a bigger power source than you need than less, but how do I determine to total/minimum my system would require?

If I were you, I would get the Corsair 1000W, that should take 2 x Crossfire, and its also a very reliable make.