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I have a Rosewill Challenger case with 3 fans but my mobo only has 2 chassis headers. If I run 1 fan on molex would that affec

PC cooling question.
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  1. The fan you run via molex to PSU is going to run at 100% full-time. Nothing wrong with that if you don't mind. If you want to maintain control of the fan, you can just get a fan splitter and connect two fans to one header. Not ideal, but it will work fine.

    Edit: There are lots of choices for brands and prices, but you'll be looking for something like this: http://www.newegg.com/Product/Product.aspx?Item=N82E16812119148&cm_re=fan_splitter_3_pin-_-12-119-148-_-Product
  2. volcanoscout said:
    The fan you run via molex to PSU is going to run at 100% full-time. Nothing wrong with that if you don't mind. If you want to maintain control of the fan, you can just get a fan splitter and connect two fans to one header. Not ideal, but it will work fine.

    Edit: There are lots of choices for brands and prices, but you'll be looking for something like this: http://www.newegg.com/Product/Product.aspx?Item=N82E16812119148&cm_re=fan_splitter_3_pin-_-12-119-148-_-Product


    Which fan do you recommend running on the molex?
  3. Best answer
    If you have to have one maxing all the time, I think I would make it the 140mm on top (assuming you're using the stock fans and stock configuration). It should be slightly quieter than one of the 120s.
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