I hawe this components: FX-6300,Raijintek Aidos, MSI 970A-G43, 2x4GB Kingston HyperX 1600,SSD 120 GB Samsund 840 Evo, 640GB Hitachi HDT721064SLA360,7x120mm case van with Aerocool vent controler and Smart se 530W. My GPU is: SAPPHIRE HD 6670 1GB GDDR5 Ultimate. I want to change my GPU and buy a SAPPHIRE DUAL-X R9 270x 2GB GDDR5 WITH BOOST & OC BATTLEFIELD 4 EDITION or MSI AMD Radeon R9 270X GAMING 2G. Now i wanna know if my PSU is enough or do i have to buy a new one. I purshased this one 6 month ago.