Waveshare 19623 - Dedicated Aluminum Heatsink For Raspberry Pi Compute Module 4 CM4, Notched For Antenna CM4 and based boards are NOT included Please note that the standoffs in this kit can thread directly into the heatsink. In this case the nuts are not required. The standoffs may need to be tightened firmly to thread fully into the heatsink. Features Aluminum Heatsink For CM4: Dedicated Aluminum Heatsink, Corrosion / Oxidation Resisting, Better Heat Dissipation Tailored For CM4 & Based Board: Matching With The CM4 On Size And Mounting Holes, Fast Heat Dissipation Notched For Antenna Section: No Hindrance To The Antenna Using With Base Board: Compute Module 4 IO Board and Compute Module 4 PoE Board Comparing CM4 Cooling Solutions Outline Dimensions How To Install 1. Attach thermal tapes onto the CM4, fix the nuts and standoffs to the heatsink 2. Fix the screws as the pictures shown
