Funny you should say that. I originally had it on a low end 550W for awhile until I freed up the 750W and later the 850W. Ran fine at max load gaming with my i5-9600K. All at stock clocks then. That's why I was wondering about the crazy PSU requirement as per Asus.An RTX 2070 Super would happily run off a decent 550W PSU, depending on the rest of the system of course (say, an R5 3600 build - an overclocked i9 might be cutting it a bit fine!).