Cooling Fan Case XILENCE Perfomance C XF051 XPF140.R.PWM - 140mm PWM The Xilence Performance C PWM fan series excels with an extraordinary price-performance ratio and a very good proficiency combined with a lo noise development. The black and red case fans are equipped with PWM function as well as high-quality hydro bearings and are available in 3 different sizesFeaturesOptimal performance in every situationHydro bearing fanAirflow-optimized rotor bladesPWM functionModel : Performance C | 140mm PWMDimensions (mm) : 140Fan speed @ 12V (rpm): 700 - 1500 10%Mechanical specificationsDimensions (L x W x H), (mm) : 140 x 140 x 25Bearing technology: FDBCables / ConnectorsConnector : 4 pinCable length (mm) : 410Performance / NoiseAir flow @ 12V (cfm / m3/h) : 62.05 / 105.49Noise level @ 12V (dB(A)) : max 30Electrical specificationsRated voltage DC (V) : 12Operating voltage DC (V) : 6 - 13.8AccessoriesScrews : 4