The 5v DC Cooling USB Fan 80mm 2-pack by Winsinn is a high-quality set of case fans designed for computer cooling. With a fan diameter of 80mm and a maximum fan speed of 2500 RPM, these fans provide efficient airflow to keep your computer running smoothly. The universal compatibility, USB power connection, and sleek black color make them a versatile and convenient choice for enhancing the cooling system in your computer setup. With a maximum airflow volume of 10 CFM, these fans are an essential component for maintaining optimal performance and temperature regulation in your computer system.