uhh, on speed fan it says u can directly connect fans to the mobo, does anyone know where on the mobo? ive always just put the power on only, i have 120, an d i think 90mm fans
your choice really if you have no intakes then make it an intake. if you have and intake and no outakes then make it blow out. simple logic the CFM going out should be as close to the CFM going in.