Connect my water cooler to my motherboard or power supply unit.

Pc Noob Plz Help

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which is better and why. My motherboard is the asus vii hero.
The cooler is the h100i gtx or h100i or h110 gtx which is also better to get manythanks
 

modernwar99

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You connect the SATA power cable on the pump to the PSU (SATA to molex adapter should work), and the fan wires coming from the radiator to the mobo. Your mobo probably only has one CPU_FAN header so you will need to use the included fan splitter to get both fans hooked up to the CPU_FAN header.

Don't hook the fans up to the PSU because then they run at 100% all the time. When hooked up to the CPU fan header, they are thermally controlled based on how hot the CPU is.
 

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Thanks, power supply up or down?
 

modernwar99

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Like mount the PSU up or down in the case? If you have a PSU vent on the bottom of the case then mount it upside down so the fan is where the vent is. If there's no vent don't mount it like that because you'll suffocate the PSU.
 

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The case is a corsair 750d so I have the option to put it up or down which do u think is better
 

modernwar99

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It won't have any effect on the case cooling, so mount it down. That way you have a dust filter over the fan so the PSU doesn't get filled with dust over time. Also that way the cables from the PSU will be against the back of the case so you will also have cleaner cable management.