Function: for processor; Type: fan; Fan: 1 pcs; Radiator material: Aluminum/copper; Socket: LGA1155/1156, LGA1150, LGA1151, LGA1200; Fan diameter: 120; Bearing type: sliding; Maximum rpm: 1800; Max. air flow: 37 CFM; Power: 4-pin; Noise level: 28 dB; Dimensions: 120 x 120 x 60;