Anybody a case fan/mobo expert? I want to learn.

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dgb1119

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Jul 28, 2013
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So heres what i plan to do: http://pcpartpicker.com/user/dgb1119/saved/1S61

I plan to put the 2 sickleflows on the front, the 2 140mm fans on the top (taking out the stock top fan that comes with it), and leave the stock 120mm fan on the rear.

Time for learning. My mobo might switch in the future ( i dont really know what im looking for in a mobo, but im pretty sure $60 is cheaping out), but aside from that, how can i tell how many fans a mobo can support? Also, there's this 'Molex' talk and what not, what are they? I just want to be sure that i can support all of these fans, im really big on airflow.

Thanks for any explanations, bonus points for links or articles, I couldnt really find anything on my Google hunt.
 
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adimeister
Molex connectors are the connectors coming from your PSU. You can support all those fans, even up to 15 fans. But the fans that you can connect to your mobo is limited. If your mobo has 4 fan headers only, you can connect only 4 fans there. Then the rest will be connected to your PSU, thru Molex connectors.
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adimeister

adimeister

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Mar 26, 2013
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Molex connectors are the connectors coming from your PSU. You can support all those fans, even up to 15 fans. But the fans that you can connect to your mobo is limited. If your mobo has 4 fan headers only, you can connect only 4 fans there. Then the rest will be connected to your PSU, thru Molex connectors.
 
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dgb1119

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Jul 28, 2013
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ohhh okay I think I see. ok cool that takes off a lot of stress aha. just to clarify, so the main benefit of plugging the fans into my mobo is that its less distance for the cord to travel? And if able to, the mobo can control fan speeds? theres no downsides to plugging some directly into the PSU?

 
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adimeister

adimeister

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Yes less distance, but it also clatters your mobo with wires, which equates to poor airflow. Whereas if you plug your fans to your PSU, you can tuck it behind anything. Also true, the mobo can control the fan speed. On the other hand when you plug your fans to your PSU, if will run at full speed always.
 
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dgb1119

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Jul 28, 2013
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thanks so much, this is great, ill plug almost all of them just straight into the PSU, and the case I have has amazing cable routing. do they have fan cable extensions just in case they wont reach? (edit: don't know why I asked, that I can google x)

 
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