My final build. Which power supply?

[imtops]

Here is my build: http://pcpartpicker.com/p/2ohvw
Now on the gigabyte website it said i should get a 500w power supply minimum. What power supply should i get?

 

[Dark Lord of Tech]

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ NCIX US)
Total: $59.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-12-22 13:59 EST-0500)