The metal case for the Orange Pi 5 and 5B PCB board is specifically designed to provide excellent heat dissipation and protection for the board. Constructed from durable iron, this case offers robust shielding and ensures the safety of the internal components. It features a 5V fan and multiple aluminum heat sinks to effectively dissipate heat and maintain optimal operating temperatures. Additionally, the case includes convenient slots and supports the installation of a 2280 SSD drive, allowing for expanded storage capabilities.