in CPU-Z i know that i multiply it by two, which only gives me 1333mhz, and i think it should be 1600mhz. i will link my ram and mobo below
http://www.scan.co.uk/products/gigabyte-ga-z77-d3h-usb-30-intel-z77-s-1155-ddr3-sata-iii-6gb-s-sata-raid-pcie-30-d-sub-dvi-d-hdmi-a
http://www.scan.co.uk/products/16gb-(4x4gb)-corsair-vengeance-jet-black-pc3-12800-(1600)-non-ecc-cas-9-9-9-27-xmp-15v-x79-z68-and-p
EDIT:
Sorry, I forgot to add, i enabled XMP, i had to re-write the post and forgot to add it lol
my bad
http://www.scan.co.uk/products/gigabyte-ga-z77-d3h-usb-30-intel-z77-s-1155-ddr3-sata-iii-6gb-s-sata-raid-pcie-30-d-sub-dvi-d-hdmi-a
http://www.scan.co.uk/products/16gb-(4x4gb)-corsair-vengeance-jet-black-pc3-12800-(1600)-non-ecc-cas-9-9-9-27-xmp-15v-x79-z68-and-p
EDIT:
Sorry, I forgot to add, i enabled XMP, i had to re-write the post and forgot to add it lol
my bad