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 X300: A Way to Enjoy 4750G (and How You Can Avoid My Problems) : r/Amd
Asrock Deskmini X300 Cases And Motherboard + Ryzen 5 Pro 4650g R5 Pro 4650g Cpu Suit [ Without (ssd / Rams) ] Nb-rams Socket Am4 - Motherboards - AliExpress
Asrock DeskMini X300 with AMD Ryzen 7 5700G : r/MiniPCs
ASRock Pulls AMD Ryzen 4000 Support From DeskMini A300 Mini PC | Tom's Hardware
ASRock DeskMini X300 and A300 mini PC barebones first to support up to an AMD Ryzen 7 Pro 4750G APU - NotebookCheck.net News