Which of the two?

[MBrown]

Eathwatts 500W

or

Trio Power 550W

4400X2 @ 2.5Ghz
8800GTS 640MB @ 600/1600

 

[mpilchfamily]

Both are more then able to power your system. SInce they are the same price right now on the egg i'd go with the Trio. More availible amperage on the +12v rails. Though its not as efficient as the EW so it is a bit of a toss up there.