What is the minimum PSU wattage needed to run a MSI GTX 680 Lightning? It's 550W, right? I've been trying to look it up, but the thing is, however, IT'S NOT CLEARLY STATED ANYWHERE! Could somebody who knows tell me, please? Thanks.
Power Consumption
We measured the power consumption of our testbed equipped with different graphics cards using a multifunctional Zalman ZM-MFC3 panel, which can report how much power a computer (without the monitor) draws from a wall outlet. There were two test modes: 2D (editing documents in Microsoft Word or web surfing) and 3D (three runs of Metro 2033: The Last Refuge benchmark in 2560x1440 resolution with maximum image quality settings).
Here are the results: