NZXT RL-KRX63-R1. Purpose: Processor, Fan noise level (min): 22 dB, Fan noise level (max): 33 dB. Fan power consumption: 3.8 W, Fan voltage: 12 V, Fan current: 0.32 A. Type: Internal, Water block material: Copper/Plastic, Radiator material: Aluminium. Fan diameter: 14 cm, Fan dimensions (W x D x H): 140 x 26 x 140 mm, Radiator width: 31.5 cm