AMD Radeon :
corsair vs series has no certification
so evga it is
if you live in US, pick xfx 550 http://pcpartpicker.com/part/xfx-power-supply-p1550sxxb9
very limitied psu to choose from here in philippines so the corsair and evga are the cheaper option for my budget gaming pc so the EVGA 500B 500W is good enough for sapphire r9 270x vapor x? i'm not going to overclock it.
Here's the rest of the parts i'm building
AMD Vishera FX-6300 3.50GHZ
Gigabyte GA-970A-DS3P
NZXT Source 210 Window
Kingston HyperX Fury 4GB Single DDR3 1600 CL10
Sapphire R9-270X Vapor-X Boost OC 2GB DDR5
Western Digital Caviar Blue 500gb