Description
This is a thin and lightweight heat sink, equipped with a 3510 ultra-quiet cooling fan, and the fan supports PWM speed regulation, which is perfectly compatible with Raspberry Pi OS.
Other systems need to manually write python or C code to drive the fan speed through PWM.


NOTE:
Supports Raspberry Pi 4B Only, Automatic speed control function only supports Raspberry Pi OS.

NOTE: Power and PWM connector is not included and is wires only for custom application

Features
Lightweight and silent
Support PWM control speed regulation
Compatible with official system configuration
Easy to install and fix
Good heat dissipation effect