PC Power & Cooling Silencer Series 400 Watt 80+ Bronze Semi-Modular Active PFC Industrial Grade ATX PC Power Supply (PPCMK3S400) Fans: 1 Main Connector: 20+4Pin +12V Rails: Single PCI-Express Connector: 1 x 6+2-Pin SATA Power Connector: 6 Power Good Signal: 100-500ms Hold-up Time: 20 ms min Efficiency: Up to 85%