CPU Cooler fan

PcGamingBuild · May 27, 2016

Hi,
So I have a Be quiet dark rock pro 3 CPU cooler on a AND FX8350 CPU on and MSI 970 Motherboard. It came to my attention that only one of the fans was connected (the middle fan) and this was to the cpufan socket on the motherboard. I have been looking round for something like a cpufan2 socket but I haven't seen one. Is it ok for me to plug the intake fan of the dark rock pro 3 into the sysfan2 slot or is this bad?
Another question is when I plug the fans into the slots do they have to go in order so for example sysfan1 sysfan2 and sysfan3 or can they go sysfan1 sysfan3 and sysfan4? Does it effect anything or do I need to change anything in the bios?
Thanks for help

Nick_50 · May 27, 2016

Use a 4 pin pwm splitter y cable so you can attach both CPU cooler fans to the one socket.

PcGamingBuild · May 27, 2016

Isn't this bad though? Or will the fans just turn on when they're act a certain temperature? Like shouldn't I be running at least one while idle or?

Nick_50 · May 27, 2016

If you split it just means both fans run at the same speed as one fan would. I assume your motherboard supports pwm so your fan speeds up as temperature increases?

PcGamingBuild · May 27, 2016

Yeah I assume so but is there anyway I can check this? And I understand what you mean about having two fans run when needed but don't you think it would be a good idea to have one fan running at all times and then have one fan kick in when needed or?

Nick_50 · May 27, 2016

Both fans will run at all times, you may not be able to control case fan sockets so the fan could run 100% all the time and be noisy. How do control your CPU cooler fan speed at the moment?

PcGamingBuild · May 27, 2016

Thanks for the help, I don't have anyway of controlling them at the moment so if you have an idea that would be great. So is the best option to get a pwm y splitter of whatever? If so can I get any or what because I have a MSI 970 motherboard

Nick_50 · May 27, 2016

I looked up your motherboard and it has a 4 pin CPU fan connector so it should be able to vary the speed of the fan

http://www.tomshardware.com/reviews/be-quiet-dark-rock-pro-3-cpu-cooler,4350.html

In this review of your cooler it says a splitter cable is included? If yours is connected up correctly there may be another problem.

PcGamingBuild · May 27, 2016

Ok I will have another look tomorrow. Thank you for the help! Is there any program you would recommend for changing fan speed or whatever?

Nick_50 · May 27, 2016

Speedfan is pretty good if it supports your motherboard.

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