Case fan.... 3pin on a 4 pin connector

Solution
Yes. 3 pin fans are DC and 4 pin are PWM. Just follow how the connectors are keyed. There is usually a small slot or nub which allows you to figure out which pins to slide the connector on.

arossetti

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Feb 22, 2013
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Yes. 3 pin fans are DC and 4 pin are PWM. Just follow how the connectors are keyed. There is usually a small slot or nub which allows you to figure out which pins to slide the connector on.
 
Solution