waveshare Nano Base Board B for Raspberry Pi Compute Module 4 Same Size as CM4 with Standard CM4 Socket Raspberry Pi 40PIN GPIO Gigabit Ethernet USB20 DSI CSI HDMI 35mm Audio Jack etc

Nano Base Board B For Raspberry Pi Compute Module 4 Suitable For Evaluating The Raspberry Pi CM4 Or Being Integrated Into End Products Same Size As The CM4Standard CM4 SocketSuitable For Narrow Application Environment Multiple Peripheral InterfacesStandard CM4 Socket 40PIN GPIO Gigabit Ethernet USB20 DSI CSI 35mm Audio Jack STORAGEMicro SD card socket for Compute Module 4 Lite without eMMC variants NoteThe CM4 is NOT included Please buy it separately if necessary.