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> You can hear some modern GPU/CPUs (well really their power electronics) when they get heavily loaded!

I'd hope you hear their fans too...

Sure, but that has a resolution of seconds at best. The coil whine in the power electronics is milliseconds-accurate.

Yeah I get a nice reminder to limit frame rates when I hear the atrocious coil whine from my 4090 as it renders 1500fps of a static loading screen.

First world problems.