Thermaltake SMART Series SP-750PCBUS 750W ATX 12V v2.4 / EPS v2.92 80 PLUS BRONZE Certified Active PFC Power Supply Fans: 1 x 120mm Fan (1800 R.P.M. +/- 10%) Main Connector: 24Pin +12V Rails: Single PCI-Express Connector: 4 x 6+2-Pin SATA Power Connector: 8 Power Good Signal: 100-500ms Hold-up Time: 16msec (minimum) @ 80% of full load at 115Vac/ 230Vac input. Efficiency: 82 - 88% efficiency @ 20 - 100% load