No Your Power Supplys Needs To Be Atleast A Giga Watt

Yes that powersupply will be enough to power that system. If you do want to add another GPU or get one more powerful though, be aware you may need to change it later down the line.

Buxtyy wrote Yes that powersupply will be enough to power that system. If you do want to add another GPU or get one more powerful though, be aware you may need to change it later down the line.

His GPU Needs 500WATTS To Run The WATTS needed To Run Parts Of The Computer Stack Up

With a quality unit (which his is) it will be fine as computer components rarely ever pull their maximum wattage. Companies need to advise higher so not to be sued in the event of a rare failure due to an inadequate psu.