The 2 PACK Pwm High Speed 120Mm Black Electronic Fan by be quiet! offers quiet performance with a maximum fan speed of 2100 RPM and a maximum airflow volume of 60 CFM. These case fans feature a rifle bearing type and a 4-pin power connection, making them efficient and reliable for cooling your computer system. With free express shipping in the United States, you can easily upgrade your computer's cooling system with these high-quality electronic fans.