dont rely on windows programs for accurate voltage readouts particularly for cpu voltage. check in bios, or google which win prog gives accurate voltage for ur motherboard. might be worth trying everest, for my mb this gives closest reading to bios voltage
intel i7 3770k @4.4, ASRock Z77 Extreme 4, 16GB Corsiar Vengance 1600 ram, ATI 5850 BE, Antec 1 Case, Antec 1 550W PSU, emu0404, 120gb agility3 ssd OS, 2x60gbvertex2raid0 Games, 3 TB total sata2 Data. win7 x64.