Number of fan diameters 14 cm Speed of rotation (min.) 500 rpm Speed of rotation (max.) 1800 U/min Noise level (high speed) 36 dB Maximum air flow 84,75 cfm Maximum air pressure 2,72 mmH2O Fan bearing technology Fluid dynamic bearing (FDB) Quantity per pack 1 piece(s) Fan speed (min) 500 U/min Fan speed (max) 1800 U/min