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Modding a cpu fan duct.

Discussion in 'Hardware' started by fang508, Nov 21, 2016.

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  1. fang508

    fang508 Thread Starter

    Feb 1, 2011
    I have a htpc system running with a Noctua NH-L12 cpu cooler (flat top down) that I want to keep cooler with some ideas I have. This htpc case doesn't have a duct in the side panel to mount a case fan and since I am not against modding I started thinking. What if I cut a hole in the side panel using a hole saw the same size as the fan on the noctua (120mm)? I also want to make some sort of air duct/tunnel using that cut out hole directly over the cpu hsf so that it can breath cool air all the time. I have 2 120mm x 120mm x 25mm fans I can use. I am also thinking about cutting the motor assembly off of one of the fans so it becomes an empty duct. If I stack these I can completely close off the gap between the cpu cooler and side panel within like 3~mm. Would this work better having the fan on top of the stack near the panel or on the bottom touching the heatsink? Thanks
  2. bassfisher6522


    Aug 8, 2008
    Not a thing wrong with modding. Just experiment; with or with out a duct channel and with the positioning of the fans. It's the only way to know for sure which is going to be cooler.

    BTW...I would love to see some pictures of this mod from beginning to completion.
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