NZXT Kraken Z63. Purpose: Processor, Fan noise level (min): 21 dB, Fan noise level (max): 38 dB. Fan power consumption: 4.56 W, Pump voltage: 12 V, Pump current: 300 mA. Type: Internal, Water block material: Copper, Radiator material: Aluminium. Fan dimensions (W x D x H): 140 x 26 x 140 mm, Radiator width: 31.5 cm, Radiator depth: 14.3 cm. Package width: 157 mm, Package depth: 347 mm, Package height: 213 mm