Modder adds Radeon RX 9070 XT eGPU to Steam Machine, runs Crimson Desert at over 100 FPS on High — moves boot drive to USB-C port, leverages M.2 to OCuLink adaptor and eGPU dock
A Redditor has successfully connected a very powerful eGPU the Steam Machine via an M.2 to OCuLink adapter.
We haven't written up this one. Tom's Hardware has the full story — the link below goes straight to it.