custommademac Joined Jul 24, 2012 Messages 21 Motherboard Motherboard OR System/Laptop make and model names > See Forum Rules! CPU i7-3770 Graphics GTX 680 Mac Classic Mac Mobile Phone Nov 19, 2020 #11 Has anyone tried this with Catalina? Video Build mei 2013 GA-Z77X-UP4-TH | i7 3770 | Radeon HD 6870