Quote Originally Posted by SparkyJJO View Post
Thanks. Mine is 3 phase.

So this begs the question, why does my reference 4870 have no problem, while others do
Good question Sparky. If I might venture a guess it would be that your 512MB
Reference card doesn't draw as much current as the 1024MB cards. Furthermore If I'm not mistaken you're excellent cooling(water?) reduces the current draw of your card.