Description black and red 80mm case fan from xilence with pwm function cool your pc components with this xilence fan it offers you an extremely good price performance ratio and cools your pc efficiently at a low noise level features hydro bearing fan airflow optimized rotor blades pwm function dimension height 8 cm width 8 cm depth 2 5 cm technical data certificates fcc connector type 4 pin sound level 20 db air flow 21 8 cfm fan speed 1800 rpm plusmn 10 fan control