A:AnswerThe graphics card read in big bright letters: GEFORCE RTX. Unfortunately I have not found a way to change the color from white. And yes, I do believe it is specified that you can upgrade to 32gb RAM. BUT it only comes with 2 RAM slots so you will have to fully replace them.
A:AnswerTo have control of the lighting you need to go to the Microsoft store on the taskbar and download OMEN command. This will give you lighting control and let you check system vitals.