Noiseblocker NB-BlackSilentFan XK1 140mm x 25mm Ultra Quiet Fan - 800 RPM - 12 dBA Manufacturer's P/N: NB-BlackSilentFan XK1, Size: 140mm x 140mm x 25mm, Weight: 125g Color:Black fame with transparent blue, glossy rotor Rated Voltage: 12V, Operating Voltage: 7 - 13V, Start Voltage: 7V, Input Power: 2.2W Speed: 800 RPM, Static Pressure: 0.370 mm-HO, Maximum Airflow:35 CFM, Noise: 19 dBA MTBF (25 C): 80,000 Hours, Connector: 3-pin