Supermicro CPU Heatsink Cooling for LGA2011 SNK-P0048AP4 Application: X9 2U(+) Active?UP, DP Servers Socket Type: LGA 2011 (Square and Narrow ILMs) CPU Support: Intel Xeon Processor E5-2600 Series Fan Speed: 8400 RPM Noise:52.0 dBA Material: Copper + Aluminum Base; Aluminum Fins; Heat Pipes; Cooling Fan (Front Side)