amd fx8320 (not to do oc)
mobo:gigabyte 970A D3P
seagate 1 tb 7200 rpm internal hard drive
sapphire readeon r9 280x dual x (not to do oc)
case: Corsair SPEC-02 ATX Mid Tower
please suggest me a good psu durable and which will get good fps and which allows me to do ram upgrades only and should...