Question Question on installing AIO liquid cooler

Jul 19, 2019
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Hi! I had never installed a AIO cooler and this is my first so forgive me if I am asking silly questions. I want to replace my CPU cooler to a AIO cooler on my old PC. My old PC is using ASRock Fatal1ty H87 Performance and the cooler that I am interested in is Cooler Master Master Liquid ML240R.

I read the instruction guide of the cooler and realised that there should be 2 wires connected to my motherboard. However my motherboard only has a 4 pin CPU port, a 3 pin CPU fan port, a power fan port and multiple chassis fan ports. I read that the cooler is supposed to be plugged to CPU fan and CPU OPT port which my motherboard lacks. So is it incompatible with my motherboard? What do I do with the wire that is supposed to be plugged to the CPU OPT?

Here is my motherboard instruction guide.
http://asrock.pc.cdn.bitgravity.com/Manual/Fatal1ty H87 Performance.pdf

Here is the cooler's guide.
https://coolermaster.egnyte.com/dl/4pH2vQQB71/
 
Yes it has few cables, One is for pump which you can connect to any CHA_Fan or any other 3 or 4 pin header just have to make sure you can set it to run full speed all the time.
Radiator fans should be connected to CPU_Fan (4 pin) by provided splitter cable and you are all set.
 
Reactions: Crosslhs82x2
Jul 19, 2019
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Yeah but in my case I don't have any CPU OPT port and you suggested that I can just plug my pump to any CHA_fan and force it to run as max speed. Is it similar to just plugging into a SATA power? For my case, am I right to say that there is no way to force my pump to run at the similar speed as my CPU_fan?
 

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