Raspberry Pi CM4 to Pi4B Adapter Board Computer Module 4 IO Board for Raspberry Pi

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35 g
In stock


This is the Raspberry Pi CM4 to PI4B adapter expansion board.

Onboard 40PIN GPIO interface and standard CM4 connector, supports access to Compute Module 4 Lite/eMMC series core boards and is equipped with CSI/DSI/RTC/FAN/HD/USB/RJ45 Gigabit Ethernet port/Micro SD card, etc. This interface is more convenient to use.

Please note that the CM4 is not included.


  • 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

  • Micro-sd interface can insert SD card

  • 4 USB2.0 ports are reserved for USB ports, which can be easily connected to the mouse and keyboard.


  • USB: 4*3.0 Ports
  • Interface: Support Micro-HDMI-compatible*2, USB2.0*4, RJ45, CSl, DSl, Micro-SD, etc.
  • Network port: 1*1000M Ethernet interface
  • Display: 2*HDMI-compatible 2.0A interface
  • Power input: Type-C 5±0.25V
  • Size:88*56mm

Package List

  • 1x CM4 to Pi4B adapter board
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