PC Fan NOCTUA NF-A14 ULN:A new generation high end fan, 140mm in diameter, designed to cool computer cases. The blade speed reaches 800rpm, or when using the LNA adapter, the speed is reduced to 650rpm. Speed ??is controlled by a Smooth Commutation Drive (SCD), which ensures fully automatic adjustment, quiet operation and consumes very little power. Air flow is increased by channels at the end of the blades.The resulting air flow rate is 79.8m3/h at full speed or 66.4m3/h when using LNA. The noise level can be influenced by the speed setting, at a maximum speed it is 11.9dB and reduced only 9.1dB. To reduce fan noise, anti-vibration pads in the product frame also help.The size of this model is 140 x 140 x 25mm. The fan is connected to the motherboard via a 4-pin connector. SSO2 ball bearings with MTFB up to 150,000 hours are used here.Parameters and Specifications:Dimensions:140 x 140 x 25mmPower connector:3-pinSpeed ??Speed:800rpm650rpm with LNANoise:11.9dB9.1dB with LNAMaximum Input Current:0.04ATension:12VBearings:SSO2MTFB:150 000 hoursPackage contents:3-pin Y cable, 30 cm extension cable, 4 x anti-vibration pad, 4 x screws