3510 Version Extreme Cooling Fan Kit For Raspberry Pi 4B is a brand new Cooling system for your Raspberry Pi. It's a completely new radiator and it's a very cool system with the armor shell. The 3510 version fan is more powerful and remains quiet when running. Two aluminum blocks will touch the MCU tightly and are good for the heat dissipation. The case materials and aesthetic make for a stunning way to protect your Raspberry Pi. Assembly is a breeze to get your Raspberry Pi looking and running perfect in no time.