Caporegime
so if I up the clocks (they are +100Mhz and +500Mhz), now I have 121% Power Limit... should I up the voltage too and if so, what is safe?
As you're on water you can pretty much run max voltage and not worry. It's entirely up to you, I'm using the maxair bios which locks the voltage at 1.25v and it's good for benching at 1500 core. I'm still debating whether to go full water or the EVGA Hybrid cooler when they release the TX branded one then I'll be running a max voltage bios and aiming for 1600mhz.