Hey bro do you live in USA? If you do, why do you need a UPS over there? :S
Is that UPS available here in Pakistan?!
I think EVGA cards consume a lot and probably produce a lot of heat too. That combined with the AMD processor like tafreehwala said might have cause that. Or there might be some wire loosely attached.
And hey i have a Creative X-Fi Platinum Fatal1ty Champion Series 7.1 Sound card