I am going to be having a GIGABYTE R9 280X and an FX 6300 OC'd as high as I can go with a Hyper 212 Evo. Will this PSU be enough, or am I going to have to get a 750w or 700w PSU instead: http://www.ebuyer.com/584149-cooler-master-gm-series-g650m-80plus-bronze-modular-psu-rs650-amaab1-uk
Thanks in advance
Thanks in advance