The materials used in CPU fans play a crucial role in their performance and durability. There are several common materials used in the construction of CPU fans, each with its own advantages and disadvantages.

One of the most common materials for CPU fan blades is plastic. Plastic fans are lightweight, inexpensive, and easy to manufacture. They are also available in a wide variety of shapes and sizes, making them suitable for different types of computer cases. However, plastic fans may not be as durable as other materials and can be prone to cracking or breaking over time.

Another material commonly used for CPU fan blades is aluminum. Aluminum fans are more durable than plastic fans and can provide better heat dissipation. They are also relatively lightweight and can be designed with aerodynamic shapes to improve airflow. However, aluminum fans can be more expensive than plastic fans and may require more maintenance to prevent corrosion.

Some high-performance CPU fans may use copper or other metals for their blades. Copper is an excellent conductor of heat and can provide superior cooling performance. However, copper fans are very heavy and expensive, and may not be suitable for all applications.

In addition to the fan blades, the frame and hub of a CPU fan can also be made from different materials. For example, the frame may be made from plastic or metal, while the hub may be made from metal or plastic with bearings. The choice of materials for these components can affect the fan's noise level, durability, and performance.

the materials used in CPU fans can have a significant impact on their performance and durability. When choosing a CPU fan, it is important to consider the materials used and their suitability for your specific needs.