Gigabyte GA-Z87X-D3H might not get your 4770k to 4.5ghz, while Gigabyte GA-Z87X-OC will. GA-Z87X-OC has much better power design, tons of buttons specified for OC only, plus 4 pci-e 3.0 x16 slots in case you want to go extreme with a quadSLI/quad xfire setup.