ASRock is preparing an ultra-small desktop PC "4X4 BOX-4000", the series is equipped with Ryzen 4000U, a notebook APU series.... ASRock working on a 4X4 BOX-4000 series Mini PC
I believe there are USB 3.x eGPU adapters, though... I don't really understand why you'd want one. Kinda defeats the purpose of owning this device.
Amazon should take these and slap Alexa on them and have a nice box. Sell them to break enough on cost.