i was looking at this case http://www.newegg.com/app/View...=11-171-035&depa=1 and a Shuttle AN35, the Mobo says it has 3 fan connectors, does that mean 3 is all i can hook up, or is 3 enough, very mild oc'n with a 2600+ T-Bred "B". the case has a intake fan and 2 rears fans?