4 x Arctic Cooling F12 PWM PST 120 mm schwarz PC Gehäuse Lüfter 1350 RPM 53CFM 4-polig
Air Flow: 53CFM (90.1 m3/h). If you want to improve the cooling efficiency of your computer you get several case fans working in parallel (since it takes 10 fans to double the noise level). But what does it help if they don't work together.