I am using this 120mm fan uptop http://www.frys.com/product/5707972?site=sr:SEARCH:MAIN_RSLT_PG which has 30 less CFM but it seems to push twice as much air then these 120mm fans i just installed http://www.newegg.com/Product/Product.aspx?Item=N82E16835200048&cm_re=rosewill_120mm-_-35-200-048-_-Product. The way i installed the new fans is just with 4 pin connectors i had open. Im running a MSI 890GXM G65 MB which has a Coller master 212 plus installed. When i open up speedfan i can only see fan1 with a speed. Am i doing something wrong or is there a way to up speed...?