This is a dedicated aluminium heatsink designed specifically for the Raspberry Pi Compute Module 4 (CM4).
The heatsink is black and comes with a screw and thermal tape pack for attaching to your Compute Module 4. The mounting holes on the heatsink match the Compute Module mount holes perfectly.
A notch is included to allow for the CM4 antenna kit to be attached without obstruction, and the heatsink can even be used with the Official Compute Module 4 IO Board or the Waveshare Compute Module 4 PoE Board.
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).
Note: CM4, IO board and antenna kit not included.
How to Install
1. Attach thermal tape on to the CM4, fix the nuts and standoffs to the heatsink:
2. Fix the screws asper the images below, depending on your chosen method:
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