That PSU will do its rated wattage and handle that rig no problem. Only issue is the reliability of the capacitors. It's made by FSP so it uses almost exclusively CapXon capacitors which are not reliable at all, they're pretty much designed to last past the warranty. I had that PSU and the PFC cap, and all the caps on the 12V rail bulged. It has a cramped secondary so they have to use caps that have a small diameter which equals low heat tolerance. If the caps are good, I say use it till it dies. I replaced all the caps in mine and re-lubed the fan, it's been going for over 5 years now.