Part Number: CM5-IO-BOARD-CASE-A Metal Case Designed For Raspberry Pi official Compute Module 5 IO Board, Comes With Cooling Fan Designed for Raspberry Pi official Compute Module 5 IO Board. Mini computer chassis, robust and dust-proof, nice looking Make it easy to build your own Raspberry Pi CM5 mini PC Comes with 40PIN GPIO adapter, the standard 40PIN GPIO header is still available, making it easy to connect sorts of HATs