Hi I have a Z170 mobo that supports 3200MHz RAM, bought Corsair Vengeance LPX 3200 (dual channel).

But to my horror it runs at 2133MHz.

So reading up says actually it's only 2133 at JEDEC @ 1.20V and one needs to overclock using XMP and usually get more than 2133 but never 3200MHz @1.35V as advertised.

What should I aim for? It's running like 1 third below what I thought I was getting.

Thanks