Noctua NH-D14 and ASRock Z97: CPU Fan Headers?

caluk

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Nov 28, 2012
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The Noctua has two 3 pin fans and the ASRock has a 4 Pin CPU fan header (CPU Fan 1) and a 3 Pin CPU fan header (CPU Fan 2).

The ASRock manual says that 3 Pin fans go into the 3 pin header so does that mean I'm leaving the 4 pin header empty and using a splitter for both cpu fans and putting them into the 3 pin header?

Or can I put the main cpu fan in the 4 pin header despite it being a 3 pin fan?