I own a Seasonic X-560 and it whines all the time. Sure, I can't hear the fan, but the electrical whine is loud enough for me to constantly hear it while I sit at my desk. When the computer is in sleep mode, the PSU starts to whistle different pitches. Very annoying and I am not sure what to do.

I just put together a new build. Here are the specs: Intel i5-2500k Asus P8P67 Pro Motherboard 2 x 4GB Gskill RipJaw DDR3 RAM MSi GTX 570 Seasonic X Series 560 Watt PSU Crucial 64GB SSD Hitachi 1 TB HDD Rosewill Blackhawk Mid Tower Everything seems okay, except for an annoying electrical whine that ...