ASUS 4-Way Optimization and Fan Header Question

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Ninjamilez

Ninjamilez

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Apr 30, 2014
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Before I go ahead, I should say that I'm new to PC building.

The motherboard that I'm getting has 1 CPU fan connector, 1 CPU OPT fan connector and 3 chassis fan connectors but the case I'm going to use has 7 fan mount locations. The CPU cooler then has an extra fan so there will be 8 fans in total.

If I want to use more fans than I have headers for is it as simple as using a splitter? I've read that the fan headers need to have the right amount of wattage output if you are connecting fans using a splitter but I don't know what that value is for my motherboard.

Also, if I wanted to connect a second fan to the CPU cooler would it connect to the CPU OPT fan connector, the standard CPU fan connector or a standard chassis fan connector? I know you can connect fans directly to your PSU but I want to control the fans using the ASUS software.

Motherboard: ASUS Maximus VI Hero
CPU Cooler: Coolermaster Hyper 212 EVO

Lastly, what type of fan would I need to connect to the 212 EVO if I did want an extra fan? Would any 120mm case fan fit or do CPU coolers use a different type of fan and do the fans need to have variable RPM if they are being controlled by the software or a fan controller?

Thanks in advance,
Miles. :)
 
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mickypheonix

mickypheonix

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Mar 9, 2014
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Hi Ninjamilez
i would recommend connect the evo to your mobo cpu fan header and as for your case fans there are a number of alternatives such as these ,
phobya-adapter-4pin-mole_23291.jpg

http://www.pccasegear.com/index.php?main_page=product_info&cPath=9_866&products_id=23932
or for a bit of bling in your case as well as multiple voltage fan headers for different fan speeds something like this
d_4514%281%29.jpg

http://www.pccasegear.com/index.php?main_page=product_info&cPath=9_866&products_id=11740
both are 4pin molex powered from your psu cable.

or simple 3pin fan splitters like these
cab-pow-fan60kk.jpg

http://www.pccasegear.com/index.php?main_page=product_info&cPath=19_1344&products_id=19140

there are lots of alternatives for powering your fans
 
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mickypheonix

mickypheonix

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Mar 9, 2014
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that is correct you will not control psu powered fans from software , you can use splitters from your motherboard but i would only use one 3pin to two 3pin for each header , either that or purchase a fan controller or pick the voltage you want for each fan like the board i showed you or cables that are 12v or 7v or 5v
for case fans i dont really see this as being a problem
 
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Ninjamilez

Ninjamilez

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Apr 30, 2014
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Okay, so I can only put two 4 pin fans on each header. What if both fans run at less than 1 amp and 12 volts? After some research I found that it is the specification on the motherboard headers. Would this still be a problem if I used two fans on each header? (not the CPU header)

I would much rather be able to control the fans using the ASUS software.
 
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Ninjamilez

Ninjamilez

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Apr 30, 2014
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Okay, thanks for clearing that up. Two fans is all I need on each header so it will be fine.

If I get a second fan for the CPU cooler will it need to be connected to the OPT CPU header or a chassis header?
 
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