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Setting up a push pull system

post #1 of 6
Thread Starter 
Hi All

I recently got a Hyper 212 Evo, and I got a second fan for it so I can push pull.

At the moment I have the stock fan plugged into the 4 pin CPU fan header, and the second fan plugged into a 3 pin SYS fan header on the motherboard.

However I just got in the mail a 2 x Female 4 pin socket to 4 pin male Y splitter.

So basically Im after what you guys think is the best way to set this up.

The two options I can think of is:

- Plug both CPU fans into the Y splitter and plug the male end of the splitter into the 4 pin CPU fan header on the mobo, this I think should control both fan speeds depending on CPU load heat etc.

- Plug both CPU fans into the Y splitter and plug the male end of the splitter into one of my ZM.MC1 fan controller channels, so fan speed is directly controlled by the dial myself.

What option would you guys go for?
post #2 of 6
I lead towards manual control. I have a fan controller that also does automated PWM control, but I pretty much always leave it on manual at the lowest settings that makes fans spin and turn up one fan only if I'm gaming for a while. The lower noise from manual control is pretty nice.
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post #3 of 6
Thread Starter 
Haha looks like I have some re-wiring to do this weekend then haha.

Question, how much power does the CPU FAN header put out? The main worry I have in both scenarios is that there isnt enough power to power two fans.
post #4 of 6
Quote:
Originally Posted by Stilldawn View Post

Haha looks like I have some re-wiring to do this weekend then haha.
Question, how much power does the CPU FAN header put out? The main worry I have in both scenarios is that there isnt enough power to power two fans.

that's actually the biggest concern right there, along with lack of adequate control over the fans. Just get yourself a proper fan controller and be done with it. thumb.gif
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post #5 of 6
Thread Starter 
I do have a proper fan controller, but I already have 6 case fans connected to it lol. Which is why I was leaning towards using the Y splitter to put the CPU fans into the CPU Fan header.
post #6 of 6
Quote:
Originally Posted by Stilldawn View Post

I do have a proper fan controller, but I already have 6 case fans connected to it lol. Which is why I was leaning towards using the Y splitter to put the CPU fans into the CPU Fan header.

That's a good quality fan controller, but not a high powered one. Your's will do 7W per channel, and a good fan is usually about 7W power draw at max speed (AFAIK this is what most MoBo headers will output). A fan controller like mine (I have a SunBeamTech Rheosmart 6) will output 30W per channel. I tested it out and was getting near max rpm with 4 fans on 1 channel using splitters.

If I were you I wouldn't use a splitter into either your MoBo or your fan controller, but if you have to do one or the other, I'd do it to the fan controller.
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