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 AMD Ryzen 5 3400g Mini Desktop PC 16gb RAM 1tb NVMe SSD for sale online | eBay