PI4B uses the same board frame and interfaces as Raspberry Pi 4B, so PI4B with CM4 installed can be used as Raspberry Pi 4B.
1000M Ethernet interface to realize high-speed networking of equipment
Dual Micro-HDMI-compatible interface, external HDMI-compatible screen, high-definition sound quality, high-definition picture quality output
4 USB2.0 ports are reserved for USB ports, Micro-sd interface can insert SD card
Please note that the CM4 is not included.