Has OCZ screwed up PC Power Cooling? In this review PCSTATS will be evaluating the Power Cooling Silencer 750 Quad power supply. The 750W Quad is a unit that hardware enthusiasts should like. The Silencer 750 Quad has been nVIDIA SLI certified with two GeForce 8800GTXs (it has four PCI Express videocard power connectors), runs at 83% efficiency and can deliver 825W of peak power. Team that up with a five year warranty and tech suppor and you have a comprehensive package.