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3 Pin and 4 Pin Fan Questions

Garet Jax

Diamond Member
Hi there. Why are some fan headers on the MB 3 pin and some 4 pin? Is the 4 pin header for the CPU HSF while the 3 pin are for the case fans?

If I only have one 3 pin header on my motherboard, can I hook up multiple fans to it using a splitter? Are there 3 pin splitters, that allow me to use a molex plug for power.

Some thing like this product (but this one looks like it has only 4 pins outlets).
http://www.newegg.com/Product/Produc...-248-_-Product

I bought some of these fans - it is not clear from the pictures but it looks like they have 3 pin connectors. Can someone confirm?
http://www.newegg.com/Product/Produc...82E16835185060

Thanks.
 
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