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Brightening up CPU cooler with SP120 fan(s)?


Drscoop
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OK, so I have a BeQuiet cooler, with a single 120mm PWM fan on it at the moment. It runs off the CPU header which is rated at 2A.

 

Mobo says the CPU fan header is auto-sensing, so my understanding is that I could, if I wanted, pop on an SP120 RGB Pro fan instead of the stock fan, to match those in my case, with power off the CPU header (now speed controlled via DC, not PWM) and RGB off the Lighting Node Core (currently 2 positions free...).

 

Given that, I guess that I could also, if I wished, pop another SP120 pro on the back of the cooler (I have the attachment clips), use a Y splitter to run both fans off the CPU header (0.6A total off the 2A header) and run both independently off the two free ports on the Node controller.... (I could run the 2nd fan power off a spare case fan header, but seems to make sense to run them both as CPU fans if I can. I assume, also, that a 12V fan splitter and PWM splitter are the same, but the 12V fans just use 3 of the 4 pins?)

 

Am I missing anything silly as to why that might not work?

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Looks about right. One thing to note is that when you issues commands to the Lighting Node Core, it's for a single type of fan. So, all the fans connected to the Lighting Node Core would need to be a single type. For a different type, say if you had SP RGB PRO and LL, you'll need separate Lighting Node Cores.
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