The TC-500PD8 ATX12V & EPS12V Power Supply supports latest motherboard connectors of 20, 24, 8, and 4 pins. Large 120mm ball bearing cooling fan reduces operation noise while keep the optimal airflow. 80 Plus high efficiency saves you on electric bills and less cooling requirement. Dual 12V rails increase overall system stability. TC-500PD8 is the ideal power supply for server and high-end gaming workstation.