Only opened to show contents. Never used. The ARCTIC P14 140mm Black Case Fan 5-Pack is a set of high-performance fans designed for computer cases. With a fluid dynamic bearing, these fans offer a maximum airflow volume of 72.8 CFM and a maximum fan speed of 1700 RPM. The black plastic fans have a 3-pin power connection and come with a manufacturer warranty of 6 years. Perfect for cooling your computer system, these fans are compatible with universal brands and have a sleek black color to match any case design.