So i am looking to upgrade my GPU but would't like to change my motherboard. I am looking to upgrade my GPU from a AMD Radeon HD 7800 series to a GTX 1070. I am just wondering how hard it would be to change and if my motherboard is compatible with the GTX 1070. My motherboard is the GIGABYTE Z77N-Wifi. If they are compatible what would be a good motherboard for the GTX 1070 then.