CPU cooling fan and heatsink for the HP 500B MT Desktop. This product is compatible with HP 500B MT Desktop, has a 4-pin power connection, and is made of aluminum and plastic material. The item is designed to help regulate the temperature of your computer's processor to ensure optimal performance and prevent overheating. This CPU fan with heatsink is a perfect fit for your HP 500B MT Desktop and is ideal for anyone looking to upgrade or replace their current cooling system. It is a reliable and efficient solution that will keep your computer running smoothly and quietly.