Building new Plex server: Am I forced to use Intel? How viable is using my AMD desktop?

Plex Media Server Desktops & Laptops
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https://forums.plex.tv/t/hardware-transcoding-with-amd-cards/229434/22?u=feanor5

It seems work on AMD support on Plex side will start early next year.

Plex does not support vaapi (standard Linux transcoding API), only proprietary Intel/NVIDIA.