Supermicro SNK-P0048AP4 CPU Cooling Fan/Heatsink for Socket LGA 2011 Type: Fan & Heatsinks RPM: 8400 rpm Power Connector: 4-pin PWM Color: Black Heatsink Material: Aluminum & Copper Compatibility: FCLGA2011 (Square and Narrow ILMs) Fan Mounting Types to Heatsink: Horizontal Max CPU Cooler Height: 65 mm