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  1. Joined : Sep 2016
    Arizona
    Posts : 7
    Windows 10 Pro Full 32/64bit build 14393
       12 Sep 2016 #1

    Powering Case fans from PSU only???


    Hi all. I recently bought a new motherboard Asus Z170M-E D3 and it has only 2 Chassis 4pin pwm connectors that I plan to hook up to my 2 new Enermax fans in the front as an intake. The Case came with a 120mm fan for the back and a 140mm fan for the top that are 3 pin and I wanted to know if its possible to use these as Exhause fans powered only by the Corsair RM650i power supply. Each Enermax fan came with a 2 pin molex power connector that I used to connected to the exhause fans. Will this work? Click image for larger version. 

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      My System SpecsSystem Spec


  2. Joined : Oct 2013
    Texas
    Posts : 7,537
    Windows 10 Pro X64
       12 Sep 2016 #2

    Yes, the molex connector will power them.
      My System SpecsSystem Spec


  3. Joined : Aug 2014
    Forever West
    Posts : 2,586
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint
       12 Sep 2016 #3

    I've done some like that, only requirement was enough Molex connectors available. Of course there'll be no control of the fan's speed which in turn may be noisier.
      My System SpecsSystem Spec


  4. Joined : Jan 2014
    Oak Ridge TN, USA
    Posts : 23,939
    Windows 10 Pro x64
       12 Sep 2016 #4

    Thanks for the information guys.. that answers the same question I had.

    Jeff
      My System SpecsSystem Spec


  5. Joined : Aug 2014
    Forever West
    Posts : 2,586
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint
       12 Sep 2016 #5

    You're welcome.
      My System SpecsSystem Spec


  6. Joined : Sep 2016
    Arizona
    Posts : 7
    Windows 10 Pro Full 32/64bit build 14393
       12 Sep 2016 #6

    I had read that on here but was just afraid my power supply would be too much for those fans. Cool. Thanks Yall!!
      My System SpecsSystem Spec


  7. Joined : Oct 2013
    England
    Posts : 9,817
    Windows 10 Professional x64
       13 Sep 2016 #7

    Hi KoKoGirl00 you can have a wide range of Fan Speed Controllers on the market from quite simple to Hi-Tech, most fit between (Power and the Fan / Fans) and a very wide price range so its worth the time to shop around if you decide to control your Fan Speed

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    Note: Fan controllers lower the Voltage to the Fan.
      My System SpecsSystem Spec


  8. Joined : Jan 2014
    Oak Ridge TN, USA
    Posts : 23,939
    Windows 10 Pro x64
       13 Sep 2016 #8

    Good idea.. never thought of that one.

    Jeff
      My System SpecsSystem Spec


  9. Joined : Sep 2016
    Arizona
    Posts : 7
    Windows 10 Pro Full 32/64bit build 14393
       13 Sep 2016 #9

    Yea I was looking into those after I had already purchased and installed the 2 enermax fans. Now I have 2-3pin and 2-4pin. Ugh! So I was again reading my corsair psu manual and forgot about this little plug that the manual states to plug in to the power supply and the other end into a USB header!?! Then to download Corsair Link Dashboard which said I'll be able to control the fan speeds from my desktop. Of course it did add to check with the motherboard manual for the location and compatibility. Did that and found nothing.
    What to do?? What to do???
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      My System SpecsSystem Spec


  10. Joined : Sep 2016
    Arizona
    Posts : 7
    Windows 10 Pro Full 32/64bit build 14393
       13 Sep 2016 #10

    OH and one more thing... I'm not a gamer and only use my pc for basic stuff. I don't have a graphics card or anything else that will be causing serious heat so do I really NEED 4 fans?? I'm kinda a newbie to building and purchased the Asus Z170M-E D3 motherboard first and bought everything else according to what the hardware compatibility manual said.
      My System SpecsSystem Spec


 
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