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PSU Makes Wierd Crackling Noise When stress testing Radeon 5870

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October 24, 2009 6:31:13 AM

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.

http://www.solvetechnology.com/temp/MVI_1740.AVI
a c 144 ) Power supply
October 24, 2009 6:35:38 AM

Complete specifications?
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October 24, 2009 6:44:29 AM

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
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October 24, 2009 6:08:45 PM

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$. If you are thinking about going Crossfire later, you can get a Corsair for 100$.
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October 24, 2009 6:23:10 PM

Okay I am thinking about getting Corsair CMPSU-1000HX. I just called COmpUSA.com and got an RMA for the current one.
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