Review on GeeekPi Raspberry Low Profile Cooling Heatsink Computer Components by Brent Walker

Runs quietly and cools my Pi. LEDs on the fan are not required (I think RGB on everything). Installation on your Pi 3b+/4b takes about 5 minutes. Pros: * Quiet operation * Keeps the Pi cool for retropies * 6mm + 5mm active cooling (2.5 5mm + 5mm would be better) * You'll want to stack the thermal pads to get the right height (pads have the wrong size) * LED on the fan (it's bigger because I think it's not needed) Notes: Most casual users won't need that big a cooler as most applications don't stress the Pi to keep it warm enough to do.