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This is an aluminum alloy passive cooling case, which has a great heat dissipation. You don't need to install fans and endure the noise of fans. It can be used for '''Raspberry Pi 3 Model B''' motherboard,'''Raspberry Pi 3 Model B+''' motherboard, and also can be compatible with '''Libre computer''' board. Equipped with a variety of thermal pads for different motherboards. Please choose suitable thermal pads according to the motherboard you are using.