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Old 08-15-2009, 05:39 AM
PeterFazekas PeterFazekas is offline
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The number of wires doesn't matter, when we talk about case fans specifically they will all end up in a standard 3-pin connector. Molex fans are an exception to this, but those are pretty easy to spot.

The third wire is an RPM sensor.

Last edited by PeterFazekas; 08-15-2009 at 05:45 AM.
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