Choosing the right cooling solution is one of the most important steps when building or upgrading a PC. As processors become more powerful, their thermal requirements increase, making effective cooling essential for both performance and longevity. One of the most common questions among PC enthusiasts and beginners alike is: Can I use the same cooling fan on different CPUs? This comprehensive article explores the technical, physical, and practical aspects of CPU fan compatibility, guiding you through everything you need to know to make an informed decision.