Question 3rd RMA, SAME ISSUE, Noise!

Jun 29, 2020
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https://soundcloud.com/sanskar-sahu-88224929%2Fpsu-noise
Hi there! As the title says I'm on my third RMA, I own a cooler master PSU,
On every startup. it makes this grunting noise of sorts ( will attach an audio clip) and vibrates too.
It now also happens, occasionally on normal operation.

I desperately want to know if this is normal and safe, I'm sick of this.

Please check out the link, it happens after I press to start button, at around 0:03 seconds.

Thank you!
 

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