20x mulit??:confused: 2T?? Dude...
Try these, 21x200 at 1.375V prolly a little too much but since it's Gigabyte it prolly droops like crazy. Uncore at 16x, QPI at 36x, Turbo off, disable everything c-state/power saving related, ram at 1.64V, QPI at 1.30V.