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Using AIO cooler for graphics card. Where do i plug in the pump?

post #1 of 4
Thread Starter 
Not sure where the best place to plug in the pump. I'm using a Y-cable to plug the fan and pump into SYSFAN1 on the motherboard at the moment. However, my computer is making a horrible clicking noise on boot and I'm not sure if its related to overloading a fan header.

Any thoughts?
post #2 of 4
Is the AIO pump PWM controlled? Is the fan PWM controlled? If the pump and fan are both PWM controlled you need to buy a Gelid VGA PWM adapter and a PWM fan splitter w/ molex power source so you can plug the pump and fan into the video card. If the fan is not PWM it is probably best to buy one that is or plug the fan into a 3-pin to molex adapter. If the PUMP is not PWM it is probably best to plug it into a 3-pin to molex adapter.

The motherboard has no clue what temp the video card is at so you should either run everything at 100% or buy the proper parts to run the fan or the fan and pump from the video cards fan controller.

PWM FAN ADAPTOR
PWM Splitter that gets the 12v from molex (doesn't use power from graphics card).
PWM Splitter that does not supply power from molex.

It is likely that you card would be perfectly fine running an AIO PWM pump and fan from it's own power source but it is always best to play it safe so the 3-way PWM splitter that has the molex plug on it is the best way to ensure you don't damage the video card in any way. It also can handle 3 devices so if you decide to go push pull it can run both fans and the pump (if the fans and pump are PWM).


Also if you are going to run off the cards PWM controller it is best to build a custom fan profile that enabled 100% fan speed at a much lower temperature (45-55C) and it is usually best to have a fan that gets some airflow over the card so that the cards VRM heatsink doesn't get too hot so either a fan that is in the case panel that is directing air over the card or a fan directly over the VRM or a fan blowing from the end of the card (right side) towards the beginning of the card (left side). If that fan is PWM it can be connect to the PWM splitter so that the speed is controlled by the video card. If it isn't PWM it is best to find a constant speed for it to run at all times.

Hope that helps...
Edited by givmedew - 9/24/13 at 10:31am
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post #3 of 4
Thread Starter 
I believe the fans are PWM (4 slot female), the AIO is a corsair H90 which I think is 3 slot female.

Sysfan1 is set to run at 50 percent continuous speed in bios and that is keep temps below 50c at load.

I'll take a look at your links.

Thank you - + rep.


Edit.
The 'Y' cable looks to be a PWM splitter that came with my Noctua fans.
Edited by alexp247365 - 9/24/13 at 10:58am
post #4 of 4
Quote:
Originally Posted by alexp247365 View Post

I believe the fans are PWM (4 slot female), the AIO is a corsair H90 which I think is 3 slot female.

Sysfan1 is set to run at 50 percent continuous speed in bios and that is keep temps below 50c at load.

I'll take a look at your links.

Thank you - + rep.


Edit.
The 'Y' cable looks to be a PWM splitter that came with my Noctua fans.

You probably only need to buy the Gelid PWM Adapter then and run your fans from the VGA card. Run the pump from your motherboard at 100% or use a 3-pin to molex adapter. What your doing now is fine... I would run the fan speed as high as you can without hearing them.
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