I'm planning on building a gaming pc and I'm using a i7-4790K and I was worried about it possibly bottlenecking the preformance of the two Titan X's I'm putting in, configured in Two Way SLI (I know it's probably more reasonable to go with the 980 Ti but I want to be overkill!) Should I go with a 4960X or 5960X to prevent bottle-necking or is a 4790K fine? Thanks in advance!