This fan is specifically designed for use in the HP Compaq dx2400 Microtower PC chassis. It is a genuine HP product made in China and is compatible with a variety of CPU fans and heat sinks. The fan is perfect for those who want to keep their computer cool and running smoothly, especially during heavy usage. Whether you are a gamer, a professional, or just a casual user, this HP Compaq fan is an essential component for your PC.