Interesting, are you sure it's the card?
I've had PSU's that make electrical noise when under heavy load but never a card itself.
Yes as you can see its a common thing ^
Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.