Guy modded his steam deck be as small as possible, with the only intended use to be to play with an external controller and AR glasses.
Finished photo: 
Guy modded his steam deck be as small as possible, with the only intended use to be to play with an external controller and AR glasses.
Finished photo:
So… a Steam Link?
I think you are thinking of the steam machines.
Similar form factor, but no network or remote PC required.
Link only streamed.
This is a Steam TV.