intel thermal solution sts100c type : passive/active combination heat sink with removable fan maximum cpu tdp : 130w suitable for : intel xeon processors in server/workstation systems featuring two lga1366 sockets recommended usage with fan installed : pedestal chassis that provides adequate ventilation and correct temperature air to heat sink with fan removed : pedestal chassis with ducted airflow to heat sink 2u or larger rack chassis2 with ducted airflow to heat sink