ARCTIC Alpine 11 PLUS CPU Cooler for Intel LGA1156/1150/1155/1150/775 Series: Air Cooler Series Type: Fan & Heatsinks RPM: 600-2000(RPM) Noise Level: 0.4 Sone Power Connector: 4 Pin Color: White Heatsink Material: Aluminum Compatibility: Intel 775 1150 1155 1156