3 pin connector on fans. - Techist - Tech Forum

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Old 01-06-2006, 09:02 PM   #1 (permalink)
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Default 3 pin connector on fans.

I've never had a fan with a 3 pin connectoer until now. I just bought 4 of these . What is the third wire for? This is probably a stupid question but I had to ask.
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Old 01-07-2006, 12:48 PM   #2 (permalink)
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Does anyone know?
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Old 01-07-2006, 02:45 PM   #3 (permalink)
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It's for RPM detection purposes
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Old 01-07-2006, 03:29 PM   #4 (permalink)
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And it doesn't need to be connected. You can still connect it to a two pin fan header, if you need to
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Old 01-07-2006, 03:34 PM   #5 (permalink)
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Thanks
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