The Micro Connectors aluminum case with fan for Raspberry Pi 4 s made out of quality and durable aluminum. The precision-cut casing allows for easy access to all your ports and the durable aluminum looks sleek. The included active 40mm fan and heat sinks kit cools down the temperature generated from the board and prevents overheating. This case is compatible with Raspberry Pi 4 Model B and is the best choice for your Raspberry Pi 4.