PSU Makes Wierd Crackling Noise When stress testing Radeon 5870

Hum. So I decided to run a stress test on the Radeon 5870. As soon as the test starts, a weird crackling noise comes out of the PSU. Eventually the whole computer shuts off in mid test. I took video/audio of the crackling. What do you think of the noise in the video? This is a brand new computer build.
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  1. Complete specifications?
  2. Gigabyte GA-MA790FXT-UD5P Bios revision f7 (latest version)
    AMD Phenom II x4 965 BE at 200x17 and 1.425 voltage (all default)
    Cooler Master V8
    OCZ OCZ3BE1600C8LV4GK Black Edition DDr3 1600 2x2gb at 8-8-8-24 voltage 1.65 (factory settings. Had to manually set in bios)
    Cooler Master HAF 932
    Ultra X3 850 Watt psu
    Windows 7 64 Bit RC
    3 x 750 gb Samsung SATA HD
  3. If the power supply is acting strangely, for example with strange sounds, I would suspect you are stressing it too much... but a single 5870 could easily run with a 600W power supply.

    It's probably the quality itself of the power supply that is at stake here. I would probably not take a chance and change it for something else.

    You can get a good OCZ power supply for 50$. If you are thinking about going Crossfire later, you can get a Corsair for 100$.
  4. Okay I am thinking about getting Corsair CMPSU-1000HX. I just called and got an RMA for the current one.
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