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Questions about fan controllers and cooling

Last response: in Components
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June 6, 2014 1:38:23 AM

Hey all, thanks for taking the time to read this. I'm mapping out my 1st gaming rig and I wasn't sure about a few things so here we go.

1. If I use a splitter to power 2 identical fans will it half the power to each?

2. In line with #1, If I use a splitter for CPU heatsink fans (push/pull) from the CPU fan slot on the motherboard, will there be any issues with powering them?

3. Do fan controllers have any control over LED settings?

4. Is it better to use the fan controller for all fans instead of the motherboard? (assuming cable routing wasn't an issue)

Here is my parts list just in case:

Gelid fan controller: (not sure about this one, any recommendations would be appreciated)
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Motherboard: ASUS Maximus GENE VII
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

CPU cooler: CM Hyper 212 EVO
(Im sure you're familiar enough with this one lol)

CPU fans: Corsair SP120 PWM (x2)
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Intake fans: LEPA 120mm Dynamic LED (x2)
http://www.frozencpu.com/products/16680/fan-1040/Lepa_1...

Exhaust fans: Prolimatech PRO 140mm LED (x2)
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Best solution

June 6, 2014 1:52:30 AM

1. No quite the opposite the main problem with using a splitter is you have no control over the fans as they run at 100% speed unless you use a fan controller in which controls the power sent to fan itself but as stand will force both fans to run at 100% speed of the fan in which for alot of fans is quite loud so a fan controller is petty much essential.

2. the one issue you will have if ur using a splitter on the fans is that ur cpu fan speed will no long be automatic to the temperature of you processor raising but that shouldn't be an issue if you running them at 70% you shouldn't need any more either way.

3. Not that I know of alot of fan controllers have control over there own led's in which u can change the fan controllers led but if you want to change you fans leds with a control that would require some soldering or a case with a compatible fan controller and fans to do so.

4. I prefer to use motherboard fan pin connectors as oppose to fan controllers I only use fan controllers if I do not have enough motherboard fan connector to have control over my fan speed but this is a matter of preference.

As for fan controller I take it u need 6 channel in which looks like u found a nice one I have had experience with this one in the past very simple but does its job very well http://www.nzxt.com/product/detail/129-sentry-mix-2-fan...

P.s nice choice of fans :D 
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June 6, 2014 10:52:24 AM

Thank you so much! I tried to do as much research as I could but couldn't figure out everything I wanted to know. That looks like a great fan controller, I'll be going with that one since the Gelid doesn't come with red backlighting (black/red build).

Those LEPA fans look REALLY cool, but they dont move as much air as I'd like them too. It should be alright though. Thanks again, this really helped!
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