3 pin and molex connector use both Tags: Homebuilt Build Motherboards Systems Last response: March 18, 2012 4:57 AM in Systems Share nob March 17, 2012 2:26:15 AM my first build. the fan has a 3 pin and a molex connector. if i plug the 3 pin to the motherboard, do i need to connect the molex to the psu also? More about : pin molex connector momazboy March 17, 2012 2:41:28 AM no its one or the other ,the molex is just incase you dont have any 3 pin available scout_03 a b B Homebuilt system a c 118 V Motherboard March 17, 2012 3:12:14 AM does this fan have led light on them then it connect also to molex Related resources Case fan has both 4 pin molex and a 3 pin connector , do i connect both - Forum Using molex to 6 pin connector work well or not? - Forum 3Pin Molex connector - Forum Molex to 3-pin female connector - Forum 3pin and Molex conectors on a fan - Forum Can't find your answer ? Ask ! Get the answer momazboy March 17, 2012 4:00:20 AM scout_03 said:does this fan have led light on them then it connect also to molex Im just speaking from personal experience because i have a fan with led and it is only connected with a 3 pin maybe it depends on make? scout_03 a b B Homebuilt system a c 118 V Motherboard March 18, 2012 1:00:51 AM coler master scout case fan use a 3 pins for fan with 2 connectors on and a molex to the led momazboy March 18, 2012 4:57:53 AM scout_03 said:coler master scout case fan use a 3 pins for fan with 2 connectors on and a molex to the led good thing to know Can't find your answer ? Ask ! Publish Related resources Case Fans- 4 pin , 3pin , molex Forum Does a Molex connector provide as much power as Sata Power connector Forum 3 4- pin molex to 3 pin fan connector Forum How to connect case fan molex to 3-pin on mobo? Forum 3 or 4 pin fan cable to 4 pin molex Forum Does 9800 gt require two 4 pin molex to a single 6 pin connector ? Forum Fan Controllers - Only 3-pin not 4- pin ( Molex ) ? Forum Molex connector question Forum I converted my Antec 900 fans from Molex to 3-pin Forum Xfx 680 half price Forum Computer wont take both gigs of ram installed Forum Anyone know where to buy cheap molex to 3-pin adapters? Forum Cant tell if Video card or motherboard or both dead Forum [Solved] USB 3.0 header to USB 3.0 male connector Forum 3-pin Fan Y connector Forum More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !