2Pcs 40Mm USB Brushless Cooling Fan – 1.57In X 10Mm, 5V DC, 4200 RPM for DIY Cooling Ventilation. 40mm fan Airflow: 3CFM, Speed: 4200±5%PRM, Noise: 22 DBA. Size 2pcs 1.57in. Maximum Rotational Speed 5500 RPM.
Optimize your system thermal performance with this 4.72″ x 4.72″ x 0.98″ high airflow cooling fan featuring automatic motherboard speed control and a quiet 21dBA operation. This 12V DC component delivers 61CFM to effectively dissipate heat from the chassis interiors while the 1130 RPM rated speed ensures a perfect balance of stability and low noise for intense gaming or professional workstation environments.
