Newegg offers the EVGA GQ Series 850-watt Semi Modular Power Supply for $79.99. This $20 mail-in rebate cuts that to $59.99. With free shipping, that’s the lowest price we could find by $20. This 80 Gold Certified PSU features a 135mm fluid dynamic bearing fan, over-voltage protection, and nine SATA connectors. Deal ends September 13.