Coolmax M-500B ATX12V & EPS12V Power Supply Fans: 1 x 120mm silent cooling fan Main Connector: 20+4Pin PCI-Express Connector: 1 x 6-Pin SATA Power Connector: 5 Over Voltage Protection: Yes Output: +5V@22A, +3.3V@21A, +12V1@17A, +12V2@17A, +12V3@12A, -12V@0.5A, +5VSB@2.5A