So i have asus z87 pro with 4th gen i7 4770k a GTX 770 SC 4gb ddr5 2 sticks of 4gb gskills sniper 1866 a samsung 840 evo 120gb and a seagate 2tb with lg bluray disc tray 5 case fans and thats including the 2 on the water cooler but i just went with a antec 650 watt psu because ive read that much more then that is wasted but im just running into some performance issues and i cant figure out what would be causing it.