The GeeekPi Aluminum Alloy Heatsink with PWM Fan is a compact and efficient cooling solution for the Raspberry Pi Compute Module 4. The heatsink is made of high-quality aluminum material and has a package dimension of 4.29x3.15x0.47 inches. It weighs only 0.12 pounds, making it lightweight and easy to install.

This heatsink is designed to effectively dissipate heat away from the Raspberry Pi Compute Module 4, ensuring that it stays cool even during prolonged use. The PWM fan is adjustable and can be set to different speeds, providing versatility in terms of cooling needs. Overall, this heatsink is an excellent choice for those looking to enhance the performance of their Raspberry Pi Compute Module 4.