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HX620W and UPS


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I apologize if this has been addressed before, but I was wondering whether connecting the PSU to a UPS outlet would cause problems. The reason I'm asking is because I've noticed a slight buzzing noise whenever a 3D application is running and I'm pretty sure the noise is coming from the PSU. I'm not sure if it's the fan, because I don't hear any noise from the PSU during normal use.

BTW, the UPS is the APC BackUPS 500, if it helps.


Everything seems to be running okay from what I can tell; voltages are spot-on (according to AsusProbe anyway), and they only drop slightly when the system is under full-load.

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