---
layout: download
board_id: "raspberry_pi_cm4io"
title: "Raspberry Pi Compute Module 4 IO Board Download"
name: "Compute Module 4 IO Board"
manufacturer: "Raspberry Pi"
board_url:
 - "https://www.raspberrypi.com/products/compute-module-4-io-board/"
board_image: "raspberrypi_cm4io.jpg"
download_instructions:
downloads_display: true
blinka: true
date_added: 2020-12-10
features:
  - HDMI/DisplayPort
  - Ethernet
  - Wi-Fi
  - 40-pin GPIO
  - Bluetooth/BLE
---

Compute Module 4

The power of Raspberry Pi 4 in a compact form factor for deeply embedded applications. Raspberry Pi Compute Module 4 incorporates a quad-core ARM Cortex-A72 processor, dual video output, and a wide selection of other interfaces. Available in 32 variants, with a range of RAM and eMMC Flash options, and with or without wireless connectivity.

 * Broadcom BCM2711 quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
 * H.265 (HEVC) (up to 4Kp60 decode), H.264 (up to 1080p60 decode, 1080p30 encode)
 * OpenGL ES 3.0 graphics
 * Options for 1GB, 2GB, 4GB or 8GB LPDDR4-3200 SDRAM (depending on variant)
 * Options for 0GB ("Lite"), 8GB, 16GB or 32GB eMMC Flash memory (depending on variant)
 * Option for fully certified radio module:
 * 2.4 GHz, 5.0 GHz IEEE 802.11 b/g/n/ac wireless;
 * Bluetooth 5.0, BLE;
 * On-board electronic switch to select either external or PCB trace antenna

Compute Module 4 IO Board

Exposing every interface from Raspberry Pi Compute Module 4, the Compute Module 4 IO Board provides a development platform and reference base-board design for our most powerful Compute Module yet.

 * External power connector (+12V, +5V)
 * 2 x full-size HDMI 2.0 connectors
 * 2 x USB 2.0 connectors, with header for two additional connectors
 * Gigabit Ethernet RJ45 with PoE support
 * Micro USB socket for updating Compute Module 4
 * MicroSD card socket for Compute Module 4 Lite (without eMMC) variants
 * PCIe Gen 2 x1 socket
 * Standard fan connector
 * 2 x MIPI DSI display FPC connectors (22-pin 0.5 mm pitch cable)
 * 2 x MIPI CSI-2 camera FPC connectors (22-pin 0.5 mm pitch cable)
 * Standard Raspberry Pi HAT connectors
 * Real-time clock with battery socket and ability to wake Compute Module 4
 * Various jumpers to disable specific features, e.g. wireless connectivity, EEPROM writing

## Purchase
* [Adafruit - CM4](https://www.adafruit.com/product/4782)
* [Adafruit - IO Board](https://www.adafruit.com/product/4787)