The ZALMAN CNPS7500 ALCU Blue LED Ultra Quiet CPU Cooler Fan is a high-quality cooling solution designed for CPUs. With a 92mm fan diameter, this CPU fan operates quietly with a ball bearing type for efficient cooling. It is compatible with various socket types including Socket 939, AM2, LGA 775, and more. The fan features a blue LED light for added aesthetic appeal and operates at a voltage of 12V. Made of copper, this CPU cooler fan is reliable and efficient in keeping your CPU cool and running smoothly.