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Where should I connect these cables?


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The all

 

I just bult my first "Super PC"... and for CPU Cooling I used a Corsair iCUE H150i RGB PRO XT.

 

This Cooler cames with:

x1 iCUE USB Cable - Just connected it on the Motherboard

x1 SATA Connector - Connected it on the PSU SATA Cable

x1 a Cable with 3 pins and only one wire - Connected on CPU_FAN (Motherboard).

 

But there are 3 connectors (labeled as 1, 2 and 3 - as shown in the images attached), which I can't figure out where to connect them. Right now, the PC is working without these cables connected and I am worried if I am doing it right.

1929221317_photo_2021-02-11_21-56-13(2).thumb.jpg.19372d4a1e4e46e82bff8d1b38895c7a.jpg

photo_2021-02-11_21-56-13.thumb.jpg.3de0e1c0ce0706ff0133ed5415e98de4.jpg

photo_2021-02-11_21-56-14.thumb.jpg.e7505f82d0a1e528038bb595ff568053.jpg

photo_2021-02-11_21-56-15.thumb.jpg.c21711c6458875705f53dfee00e889f3.jpg

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that's the PWM cables to power the radiator fans. The H150 usually controls their speed, that's the preffered way to do it as the controller can change their speed according to water temperature.

If you plug the fans to the motherboard instead, their speed will be controlled by CPU temperature which will make them accelerate and decelerate constantly with CPU load.

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