Using 2-pin instead of 3-pin

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AwesomeFX

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Oct 19, 2013
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Hello

I have an NZXT Sentry Mesh fan controller. It regulates voltage. I'm using a 4-pin to 2-pin Molex adapter as the Sentry Mesh isn't compatible directly with 4-pin Molex. The fan controller has 3 wires on it's power-in Molex but only two are used now.

Is this OK? Can i use it like this?

And finally what is the 3rd pin on that power-in molex on the fan controller that is not + or - ?

Thanks!!
 
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John Bauer

John Bauer

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Jul 16, 2013
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It's completely fine, but the fan may not be able to go full power.
 
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AwesomeFX

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Oct 19, 2013
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Ah, ok.

I've searched the internet up and down for a 4-pin Molex to a 3-pin molex adapter - Can't find it.

What is the 3rd cable on the fan controller used for? (The one that is not + or -) is it for regulating fan speed via the PSU or so,ething? Is it for LED fans?

Thanks for the help! :)
 
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