MP 1,1-5,1 Upgrade MacPro 1,1 (2006)?

[DeadTon1c]

What do you think is the maximum spec components that I can install to run Windows 10 on the MacPro? As I know that macOS does not accept certain graphics cards, and instead maybe Windows is the better option.

 

[reukiodo]

Win10 has much wider hardware support, so I assume there would be no issues running the latest GPUs if all you run is Windows.