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HELP - 4 pin PWM to 3 pin connector


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I purchased on of these




and have been looking everywhere for them as I believe these expired last decade. Problem I have is the description said 3 pin but I have received a 4 pin pwm connector. Can I convert this to connect to my motherboard which has a 3 pin connector.


Any help would be much appreciated thanks

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Those look like the radiator fans that came with the previous generation of coolers. If so, they can run in DC mode (voltage controlled). There really isn't a "converter" - PWM is totally different from DC control - but most PWM fans will operate as DC-controlled fans but with less precision and less range. The Corsair ML fans are an exception to this.
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