Review on 🔥 Geekworm 12mm Aluminum Alloy Heatsink (C235) with 30mm Cooling Fan Support – Compatible with Raspberry Pi Compute Module 4 CM4 Motherboard by Joseph Lang

This heatsink works surprisingly well. I initially gave a bad review because the supplied mounting screws and nuts didn't fit - I couldn't connect to the carrier board at all with the heatsink installed in the description. But after replacing the 2.5mm bolts and nuts with something more suitable, this cooler works great. I had a CM4 with this and a 4010 Noctua fan on top and the CPU overclocked to 2147MHz in 24 hours and couldn't get past 40C.