I love open box prices usually, but never do it on mobos specifically due to missing I/O shields. I just find it more of a PITA to order and pay for an I/O shield straight from the company than the discount is worth. Everything else I have no problem...
Actually even easier is to use the auto CPU levelUp 4.6, then set your memory to XMP. That could be why you're getting the errors you mentioned in the other thread. CPU LevelUp I believe will change your bios voltage settings automatically
I'd say you're undervolted, but not by much. Being undervolted can give other errors before it BSODs you. Pretty impressive that you can get to 4.5 at 1.304 volts in auto and run a quick FFT to begin with, you probably have a good chip. Try setting y...
I can tell you positively that two 560s will easily outperform even an OC'd 570. I have two machines in the house with GTX460 HAWKs in them, and just for giggles took my 570 out and SLI'd the 460s. The two 460s averaged about 25% higher framerate in ...