EK-Vardar F2-140 (1600rpm) High-static pressure / low noise profile - unlike other general-purpose computer cooling fans, the EK-Vardar family of fans is built specifically for computer liquid cooling systems, namely radiator cooling Fan Speed: 480 - 1600 rpm (+/- 10%) - Noise Level: 31.6 dBA - Static Pressure: 1.90mm H2O = 18.6 Pa Dimensions: 140 x 140 x 25 mm