Thermaltake Toughpower Grand 850W SLI/CrossFire Ready ATX 12V V2.3 / EPS 12V 80 PLUS PLATINUM Certified 7 Year Warranty Full Modular Active PFC Power Supply Haswell Ready PS-TPG-850FPCPUS-P Fans: 135mm Double Ball Bearing Main Connector: 24Pin +12V Rails: Single PCI-Express Connector: 6 x 6+2-Pin SATA Power Connector: 12 Efficiency: 92% Efficiency Over Voltage Protection: Yes Overload Protection: Yes