Newegg via eBay offers the refurbished Corsair HX750i 750-watt ATX Power Supply for $72.99 with free shipping. That's $86 under the lowest price we could find for a new unit. This 80 PLUS Platinum-certified power supply features three PCI-Express connectors, three SATA connectors, and a 140mm fan. A 1-year Corsair warranty applies.