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Overclocking
Our particular CPU sample will return 4.1 or 4.2GHz on most X99 motherboards, MSI's motherboard managed the upper-end of that with a 4.2GHz overclock at 1.275 volts. This was fairly easy to achieve and, presumably, with additional time spent tinkering with voltages, load line calibration and related frequencies (Cache, RAM, etc.) it may well be possible to squeeze out some more performance or reduce power consumption while maintaining performance.
Why that 6800K stuck at 4.2 ???
Using MSI’s command center and turning off hyperthreading, I’m able to hit a stable & usable 4.6ghz on the X99A Titanium with a 5930k & 32Gb of Corsair RAM @ 2400Mhz. Extended gaming or video encoding with a Corsair H110i GT, the cpu never gets warmer than 58C. This is some very nice gear. I’m quite satisfied with how it all works together, and it looks stunning inside the Enthoo Luxe chassis.
My X99A gaming pro carbon was able to clock the 6800k to 4.2 GHz at 1.251 volts, and 4.1 GHz at 1.194 volts, but 4.3 GHz at 1.3 volts, Windows would crash after booting up. I haven’t tried 1.315 or 1.32 volts yet.
What voltage are you using for the CPU @4.6ghz?