What is making the electrical buzz in my rig?

Hello, my problem is that I hear a buzzing electrical sound in my rig from quite a distance. I don't know whether it's my CPU, GPU or power supply unit. What I discovered is that when I run prime95 to stress my CPU, the buzzing sound seems to get louder. Also, when my rig is powered down, I can still hear the buzzing noise. The only way to eliminate this annoyance is to unplug the power supply from the wall.
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More about what making electrical buzz
  1. Sounds like the PSU. What brand and model?
  2. Silverstone Element 600 Watt PSU. Model # SST-ST60EF

    the rest of my computer specs are:

    Antec 300 Case
    Msi 880GMA-E45 mainboard
    AMD Phenom II X2 555BE @ X4 3.2GHZ
    Corsair DDR3-1333 2x2GB DDR3 RAM
    XFX Radeon HD 5830 1GB GDDR5 core:850 mem:1250
    Seagate Barracuda 500GB SATA2 7200RPM
    Windows 7 Home Premium 32bit retail version
  3. Silverstone has accepted my RMA request and I'll be shipping it out on Monday. But still, is there a possibility that it isn't my power supply or is it undoubtedly my power supply?
  4. Yes it's most likely your psu there's really nothing else in a pc capable of what you described.
  5. I have no sound card. I am using the integrated Realtek onboard sound.
  6. I dunno but I think it might be my hard drive. I hear a whining sound coming from the hard drive area. LOL I think i'm paranoid because I don't know whether it's my hard drive or power supply making this noise. There is an electrical buzzing noise coming from the power supply but there is a hard drive whining sound.

    LOL at least everything is now backed up. I'm prepared for hard drive failure.
  7. I've located the two sources of buzzing sounds. The first one is my Coolermaster Hyper 212+ heatsink + fan. The fan's bearing is just noisy but I can live with that. The second source is the hard drive which makes a loud very high pitched whining sound which I can't live with. So I'm going to RMA the drive. The third source of sound which isn't very evident is the power supply which you can hear if your ear is up close to the case.
  8. ah my god. it's my heatsink fan, my hard drive and my power supply. what are the chances :P
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