ASUS Rampage 4 Extreme Review
Where would an overclocking motherboard be without the option to have some ludicrous voltages? The R4E has voltage control in spades and, like on the RAM timing screen, has an instant guide to your current settings. It's a joy to use. There are various sub-menu tweaks available..
including clock skew for those tiny fractions of stability,
further options to gain those last ounces of performance from your RAM,
as well as making the most from your chipset. You can even decide which version of the PCI Express standard you wish your slots to use.