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 Ordinateur de Bureau DESKMINI A300 AMD Ryzen HDMI//DP/D-Sub USB3.1 : Amazon.fr: Informatique
ASRock DeskMini A300 (DESKMINI A300/B/BB/BOX) - Barebone PC ASRock sur LDLC | Muséericorde