PC Making a Slight High Pitch Noise during Gameplay

Recently I have purchased a pre-built PC and it is working great! The only issue is when I run high end programs (Like Games and such) I start to hear this slight high pitch noise coming from the PC. It does not bother me one bit, but I am wondering what the cause is and if it will be a reliability issue with the PC. I have a year warranty so I will not need to worry too much.

I have narrowed it down to:
Coming from either the Motherboard, GPU, or PSU
NOT coming from the fans (I have stopped each one individually as a test, it still makes the noise.)

My Specs:
A Gigabyte GA-78LMT-USB3
Nvidea GT 610 EVGA
AMD FX-4130 (With a aftermarket Antec Cooler [Not sure what model])
8GBS of Ram
and 1 TB Hard Drive
Also 2 LED Fans

Thanks, I would appreciate some help, mainly with the cause and what problems it will bring (other than the noise itself)
4 answers Last reply Best Answer
More about making slight high pitch noise gameplay
  1. Are you sure it's not coming from the hard drive?
  2. I do not believe so @RazerZ I mainly hear the noise from the backside of the PC and not the hard drive.
  3. Sounds like coil whine. Sometimes they do that especially as they age it isn't a reliability issue a lot of people just find it annoying.
  4. Best answer
    I agree, it sounds like an issue with a coil whine. It is likely your Power Supply. I would definitely check there first. If you could mount your power supply outside of your case or run it with a panel removed and put it under a pretty decent load, listen around your power supply and see if it is coming from there. The sound will come from the openings, so be sure to pay attention to the fan opening (in case it is mounted upside down) or the back.
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