I have an Asrock DESKMINI A300 with a Ryzen 5 3400g. I noticed that there is the newer Asrock DESKMINI X300 that supports Ryzen 4000 APUs and even looks better IMO. I
ASRock > DeskMini A300 Series
ASRock DESKMINI A300W AMD A300 Barebone System - Newegg.com
ASRock DeskMini A300---World's First AMD Mini STX solution - YouTube
The ASRock DeskMini A300 Review: An Affordable DIY AMD Ryzen mini-PC : r/Amd
ASRock > News
ASRock > DeskMini A300 Series
The ASRock DeskMini A300 Review: An Affordable DIY AMD Ryzen mini-PC : r/Amd
ASRock DeskMini X300 and A300 mini PC barebones first to support up to an AMD Ryzen 7 Pro 4750G APU - NotebookCheck.net News