EVGA SuperNOVA 750 B2 Bronze Power Supply. Input Voltage: 115-240VAC, Input Frequency Range: 50-60Hz. Features: Exceptional 5 Year Warranty, 80PLUS Bronze Certified, with up to 85% efficiency under typical loads, NVIDIA SLI Ready, Heavy-duty Protections, including OVP, UVP, OCP, OPP, and SCP.Unleash the next generation in power with the EVGA SuperNOVA 750 B2 Power Supply. Based on the award-winning Gen2 series Power Supplies from EVGA, this PSU's feature 80 PLUS Bronze rated efficiency, and clean, continuous power to every component. Backed by a 5 year warranty and Japanese capacitor design, the EVGA SuperNOVA 750 B2 is not only the right choice for your system today, it is also the best choice for your system tomorrow.