Product Detail Quiet and powerful cooling due to multiple heatpipes and large aluminium fin area Support all clock Intel Socket 775 Processors Proprietary bent winglet design to minimize airflow resistance Utilizes four high quality 6mm heatpipes, strategically positioned to pick up the heat from the CPU Includes PWN Control 120mm x 25mm fan(1000~1500RPM±15%) . The "Cogage True Spirit 1366" is best product for you. We recommended Cogage True Spirit 1366