Alright, So I have worked out that everything will fit, my PSU Will definitely be able to support my card, But my question is, I am upgrading from a ASUS GT 640 to a EVGA GTX 750 Ti. The problem is ASUS has GPU tweak, When I am upgrading, Do I just uninstall GPU tweak, then just proceed with the normal process? or is there something else I have to do? That is all. thanks in advance