You don’t need a CPU fan for your ordinary activities, but the fan will help you out with complex projects that require a lot of power. The 12V DC CPU fan is applied on the heatsink. It has 3 pins and you can set up thresholds inside the BIOS to automate it. It’s pretty much plug-and-play. 

Dimensions: 2.9 cm height, 2.9 cm width, 1cm depth 

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