Mickey: Going Insane Over Identifying PSU Humming Noise- Can Anyone Help

so I've noticed that there's like a humming "mrrrr mrrrr mrrrr" sound from my PC, and it's definitely more pronounced when my ear is close to the PSU vent or near the bottom of the case, so I'm pretty confident it's the power supply (Phanteks Revolt 1000w)



it's not a buzz, it's more of a hum. it is primarily when under load, and definitely loudest when getting off a game, but it's not really high pitched and it doesn't strike me as coil whine; it's also not the fan exactly, I've been able...

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