i have a Amd x4 750k with a msi fm2-a75ma-e35 and i plan on o.c via msi genie mode in the bios is that reliable or safe?. What paste and heat sink should i get? I plan on getting the hyper evo 212 and what paste should i get? i already have a Antec hcp 1200w 80 plus gold which is overkill... please help me with my 3 questions.