Noiseblocker NB-eLoop B14-1 140mm Bionic Loop Fan, 600RPM, 43.34CFM, 5.71dBA Includes One 140MM Case Fan 600RPM (PWM) Max Noise levels of 5.7dBA Airflows of 43CFM Overall Dimension of 140mm x 140mm x 25mm (WxDxH)