CPU Cooler Fan SAN ACE MC For Intel Pentium4(Socket478)/; Rated voltage (V): 12; Operating Voltage Range (V): 9-13.8; Rated Current (A): 0.44; Rated Rotaing Speed (min-1): 5200 / 2570; Thermal Resistance (K/W): 0.28 / 0.385; Noise (dB[A]): 44 / 26; Mass (g): 450;