Gigabyte Aorus Liquid Cooler 280. Purpose: Processor, Fan noise level (min): 22.3 dB, Fan noise level (max): 44.5 dB. Type: Internal, Water block material: Copper, Radiator material: Aluminium. Fan diameter: 14 cm, Radiator width: 31.5 cm, Radiator depth: 14.3 cm