Raspberry Pi Cm4io Board

Raspberry Pi Cm4io Board

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Computer-On-Modules - COM Raspberry Pi CM4IO Board



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  • Companion board for Raspberry Pi Compute Module 4
  • Dual display support at resolutions up to 4K
  • Hardware video decode at up to 4Kp60
  • Dual camera interfaces
  • PCIe Gen 2 x1 interface


The Compute Module 4 IO Board is a companion board for Raspberry Pi Compute Module 4. It is designed for use both as a development system for Compute Module 4 and as an embedded board integrated into end products.

The IO board is designed to allow you to create systems quickly using off-the-shelf parts such as HATs and PCIe cards, which might include NVMe, SATA, networking, or USB. The major user connectors are located along one side to make enclosures simple.

Compute Module 4 IO Board also provides an excellent way to prototype systems using the Compute Module 4.


Socket CM4 socket: suitable for all variants of Compute Module 4
Connectors Standard Raspberry Pi HAT connectors with PoE support
  Standard PCIe Gen 2 x1 socket
RTC Real-time clock (RTC) with battery backup
Video Dual HDMI connectors
  Dual MIPI display connectors
Camera Dual MIPI camera connectors
Ethernet Gigabit Ethernet socket supporting PoE HAT
USB On-board USB 2.0 hub with 2 USB 2.0 connectors
SD Card SD card socket for Compute Module 4 variants without eMMC
eMMC programming Support for programming eMMC variants of Compute Module 4
Fan Controller PWM fan controller with tachometer feedback
Input Power 12V input, +5V input with reduced functionality
Dimensions 160 mm × 90 mm
Production lifetime The Raspberry Pi Compute Module 4 IO Board will remain in production until at least January 2028
Compliance For a full list of local and regional product approvals, please visit:www.raspberrypi.org/documentation/hardware/raspberrypi/conformity.md


Raspberry Pi Cm4io Board
  • Description/Function - Compute Module 4 IO Board is a companion board for Raspberry Pi Compute Module 4
  • Dimensions - 160 mm x 90 mm
  • Series - RPi Compute Module 4 (CM4)
  • Brand - Seeed Studio
  • Interface Type - Ethernet, USB
  • Manufacturer - Seeed Studio
  • Operating Supply Voltage - 12 V
  • Product Type - Computer-On-Modules - COM
  • Standard Pack Qty - 1
  • Subcategory - Computing