A heat sink is a component that increases the heat flow away from a hot device. It accomplishes this task by increasing the device’s working surface area and the amount of low-temperature fluid that moves across its enlarged surface area.
This is a dedicated aluminum heatsink designed specifically for the Raspberry Pi Compute Module 4 (CM4).
In testing, Waveshare found that the heatsink reduced temperatures by ~11°C vs the bare CM4 board (your mileage may vary depending on usage and local conditions).
Package Includes:
1 x CM4-HEATSINK Special for Raspberry Pi CM4
Raspberry Pi 4 Model B 8GB Starter Kit
Raspberry Pi 4 Model-B with 4 GB RAM
Waveshare 2-Channel Isolated RS485 Expansion HAT for Raspberry Pi
Official Raspberry Pi Global Shutter Camera
Official Raspberry Pi Camera V2
Raspberry Pi Camera Module 3 NoIR – Wide
Raspberry Pi Compute Module 4 – 4GB RAM, 32GB eMMC, 2.4/5.0GHz Wi-Fi & Bluetooth 5.0 (CM4104032)
Official Micro-HDMI (Male) to Standard HDMI (Male) Cable for Raspberry Pi
Raspberry Pi Camera Module 3 Wide
Official Raspberry Pi Debug Probe
Waveshare Pico-RTC-DS3231 IC Test Board
RP2040 Microcontroller IC by Raspberry PI-REEL of 100
Official Raspberry Pi Camera NOIR V2
Raspberry PI IQaudio DAC Pro
Waveshare USB HUB HAT (B) for Raspberry Pi Series with 4x USB 2.0 Ports
Waveshare GSM/GPRS/GNSS/Bluetooth HAT for Raspberry Pi
Waveshare Adapter Board for Arduino and Raspberry Pi 


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