Thanks for the reply! Also ram I assume it may not matter? But if so just in case does my Corsair RGB pro 16gb matter ?Your Nvidia RTX 2070 graphics card is not supported in macOS, any version of macOS.
If you have an old Nvidia Kepler GPU, that might work, alternatively you need an AMD GPU that is metal compatible.
See this GPU Buyers guide for details of supported and unsupported GPU's for macOS.
Introduction | GPU Buyers Guide
dortania.github.io
Your CPU and Motherboard are macOS Compatible, it is just your GPU that isn't.