The IB-RP110 protective case which could apply to the Raspberry Pi 4 Model B. There is enough space inside the case for mounting a 30 mm cooling fan, antenna and heatsinks in addition. This aluminum/plastic enclosure for small Raspberry Pi computers is ideally suited as a mobile media server that can be connected to your home, or simply taken with you. With this enclosure, the Raspberry Pi is always well protected during transport and operation.