I just wanted to post an update just in case there was anyone out there who came across this thread in the future.
After 2 months the final verdict from Antec is:
Seems halfway reasonable.... I plan on buying a different power supply though. I have the Antec Performance One P180 case...
I have already replaced the Power Supply with one I received from Antec's RMA process. Unfortunately that power supply, even though its brand new, is still creating the squeal. The noise is very loud, and can be heard over speakers and headphones easily.
I will take the power supply out of...
When I play certain games, my PC will emit a squealing/piezo speaker sound. If I alt-tab from the game, it immediately stops. If i bring up the in game menu, it will also stop immediately.
For instance, while playing Mass Effect it consistently starts squealing while I'm in the elevator. I...