That is some nice low volts for 4ghz koc...I'm at 3.6ghz on the same volts (1.5v in BIOS??), wonder if it'll get me to 4ghz??
wow 1.5v for 3.6
i run 3.8 with 1.1v only and 4.0 with 1.2 only in the bios and its very stable
you dont need more than 1.2-1.3v for 4ghz