Coolermaster KHC-L91-U1 Cpu Fan Copper Heatsink K8/P4/ Ultra quiet CPU cooler wicks away heat and supplies a cool breeze Features a 92 mm ball bearing fan Copper stacking fins with four heat pipes dissipate heat Supports the latest Prescott LGA775, Pentium 4, and AMD's K8 Features high performance Thermal Grease and Universal Retention Module