Static like Cracking Noise from Computer Speakers/Headphones

a cracked connection or damaged audio jack, dirty jack can cause that kind of problem.
does the computer have front and rear audio (green color) jacks?
you may be able to use the alternate jack, clean the jack by spraying a SMALL amount of high quality cleaner into the jack (put the plug in and rotate it around when the cleaner is still wet) High quality cleaner means: Deoxit 100, Caig chemical Co. www.caig.com
but there is no guarantee that cleaning will fix the problem, and as I said, it might have a broken solder connection...etc, which commonly causes static crackling (it crackles in rhythm with the music)
but what can be done is remove the motherboard and repair / re-solder the problem. and a person with the appropriate tools, skill level could fix it.
but I don't recommend an inexperienced person try to repair this type of defect.

Yeah the problem is exactly what your are describing (cracks in rhythm). Its basically a brand new motherboard (http://www.newegg.ca/Product/Product.aspx?Item=N82E1681...) I've only had it for around 2 months... I'm willing to attempt to solder (But not entirely sure what/where needs to be soldered to fix this), or should I just let EVGA handle it?

Edit- Yeah my computer has a 2 front jacks and 6 on the back, I've tried all the audio out ones their all experiencing this problem now.

Okay Update on this, I've narrowed down the problem to SLI. When I turn on SLI speakers go nuts, when SLI is off speakers are fine. Wouldn't mind using SLI from time to time guys, anyone know whats on the go here?