AMD Radeon HD 7700 Series Graphics Cards

AMD Radeon HD 7770 GHz Edition is the first graphics card equipped with a reference engine clock that breaks the one gigahertz barrier — making it the world’s first 1GHz GPU. It features Graphics Core Next (GCN) Architecture and comes equipped with PCI Express 3.0, ZeroCore Power, PowerTune, Eyefinity 2.0 and App technologies.