Raspberry Pi Compute Module CM4 IO Board


Like the IO boards for earlier Compute Module products, this breaks out all the interfaces from the Compute Module to standard connectors, providing a ready-made development platform and a starting point for your own designs. CAD for the IO board is available in KiCad format.


In addition to serving as a development platform and reference design, the IO board is a finished product in its own right: if you require a Raspberry Pi that supports a wider range of input voltages, has all its major connectors in a single plane, or allows you to attach your own PCI Express devices, then Compute Module 4 with the IO Board does what you need.

Standard 40-pin GPIO header
2 × full-size HDMI 2.0 connectors
2 × MIPI DSI display FPC connectors
2 × MIPI CSI-2 camera FPC connectors
2 × USB 2.0 connectors
Gigabit Ethernet jack with PoE support 3
PCIe Gen 2 x1 socket
MicroSD card socket (for use with CM4 Lite modules)
Battery-backed real-time clock
5-12V input voltage range (separate power supply required)


Raspberry Pi Compute Module 4 IO Board product brief
Raspberry Pi Compute Module 4 IO Board datasheet
Raspberry Pi Compute Module 4 IO Board KiCAD file
The Raspberry Pi Compute Module 4 IO Board has undergone extensive compliance testing and meets the standards required in many countries. You can find all compliance information and regional certificates at raspberrypi.org/compliance.
If you are integrating the Compute Module 4 IO Board into a product and need assistance with compliance, the Raspberry Pi Integrator Program can help: more information and contact details here.
Compute Module 4 IO Board will remain in production until at least January 2028


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