B450i motherboard is compatible with Ryzen 5 Pro 4650G processor
B450i motherboard is compatible with Ryzen 5 Pro 4650G processor
You're looking to upgrade your system from a 3400g to a 4650g build using an MSI B450i Max motherboard. You checked if the APU you're considering fits, noting that the 4650G is built on Zen 2 architecture. This means the B450 chipset should support it, as it's compatible with that platform.