Fan speed (RPM) 600-1800RPM ± 10% Noise dB (A) 26.3dB (A) ± 10% Radiator size *air flow 42.2CFM ± 10% Wind pressure 2.1mm / H2O ± 10% Fan size 120mm (L) * 120mm (H) * 30mm (H) Bearing type Hydraulic Power interface 1.25 5pin Cooling method Heat sink material Pure copper heat pipe, aluminum fins