The Intel Thermal Solution STS100A is an active heat sink with fixed fan. Pedestal chassis that provides ventilation and correct temperature air to heat sink.
Compatible Products:
Intel Server Board S5500WB12V
Intel Server Board S5500BC
Intel Server Board S5500HCV
Intel Server Board S5500WB
Intel Server Board S5520HC
Intel Server Board S5520HCT
Intel Workstation Board S5520SC