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To: Elroy who wrote (1238)	5/4/2024 9:43:48 PM
From: goldworldnet	of 1316

How 4-Pin fan splitters work for PWM fans. This often confuses people. The top picture shows the entire splitter. The top photo left side shows the 4-Pin connector that plugs into a 4-Pin fan header on the motherboard. The top photo right side shows the 2 branches that 2 fans can be plugged into. The bottom left photo shows the slave plug and is missing the 3rd pin. The bottom right photo shows the master plug and has all 4 pins. The reason for this is each motherboard fan header can only read the speed of one fan which is the master that is plugged into the 4-Pin female. However, the slave plug with the missing pin will run at the same speed as the master. * * * Also if you wanted 3 fan plugs on a header, you would plug another splitter into the slave plug. 3-way splitters will also have 1 master and 2 slaves. PWM Explained Below * * *

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