It sounds like the fan, here is a thread I made on reddit. View: https://www.reddit.com/r/pcmasterrace/comments/eihiy0/psu_started_making_weird_noise/
. There's a video there. Just want to get a second opinion on things. Is this a normal sound? I've only just noticed it.
. There's a video there. Just want to get a second opinion on things. Is this a normal sound? I've only just noticed it.