You really don't need a heatsink as well, the SoC has a heatspreader pre-installed. Fan SHIM will take your Pi 4 well below throttle temperatures even at full

You really don't need a heatsink as well, the SoC has a heatspreader pre-installed. Fan SHIM will take your Pi 4 well below throttle temperatures even at full load! We posted some results on our blog (there is a more in-depth post to come soon): https://blog.pimoroni.com/raspberry-pi-4-thermals-and-fan-shim/ https://blog.pimoroni.com/raspberry-pi-4-thermals-and-fan-sh...