Rosewill Stallion Series - 400-Watt ATX 12V v2.2 Power Supply - RD400-2-SB Fans: 1 x 120mm Fan with Smart Temperature Sensor Main Connector: 20+4Pin +12V Rails: 2 PCI-Express Connector: 1 x 6-Pin SATA Power Connector: 4 Power Good Signal: 100-500ms Hold-up Time: > 16ms at Full Load and nominal input voltage Over Voltage Protection: Yes