Raspberry Pi 4 Model B (40-Pin GPIO) Pinout & Specifications

Welcome to the definitive pinout guide for the Raspberry Pi 4 Model B (40-Pin GPIO).

The standard 40-pin GPIO layout for modern Raspberry Pi single-board computers.

Key Specifications

• Operating Voltage: 3.3V
• Input Voltage: 5V via USB-C or 5V GPIO pins
• Clock Speed: 1.5 GHz - 1.8 GHz Quad-Core

Important Wiring Notes

• Logic Level: The GPIO pins use 3.3V logic. Connecting 5V signals directly to these pins will destroy the board! Use a logic level shifter.
• Current Limits: The GPIO pins on Raspberry Pi boards can only supply a very small amount of current (around 16mA per pin, 50mA total across all pins). Do not power motors or high-draw LEDs directly from the GPIO pins.

Related Guides

Need to learn how to wire sensors to this board? Check out our Academy for step-by-step tutorials!