Image: ETA Prime
The $400-plus Steam Deck gaming handheld does not support external graphics cards. Valve has been clear on this point for months — you can’t magically plug in a dock and run Cyberpunk or Elden Ring at 4K. But ever since the company revealed that the Steam Deck’s storage plugs into a (relatively) easily accessible M.2 PCI-Express x4 socket, the PC gaming community has speculated that an eGPU module could totally fit there instead.
Now, YouTuber ETA Prime has actually done it, adding an AMD Radeon RX 6900 XT, one of the highest-end graphics cards on the market.
It works, it runs, it plays games at 4K with maxed-out settings at framerates a vanilla Steam Deck could only dream of. But no, you probably shouldn’t do this at home! Not only…
