Will the antec true power II 550watt be enough?

[penixor]

Its sli-rated but I will only be using it with a single 7800 GTX, but i dont want artifacts, so this should be enough right?

 

[nicklgs]

You shouldn't have any problems, My friend just got one and on the box it said 480 or 500 watt min so you sould be fine.

 

[Know Nuttin]

it should be fine. Get the EPS12v version.