Why does my graphics card not support D5, and what kinds of graphics cards could run D5?

If you need to run D5, your graphic card needs to support Ray Tracing technology (Ray Tracing).

If AMD provides DXR support for Microsoft DX12, D5 can automatically support AMD graphics cards.

Specific flash model can refer to the following link:

https://www.nvidia.com/en-us/geforce/news/geforce-gtx-dxr-ray-tracing-available-now/