A:AnswerThe motherboard will work, however, for optimal performance/stability, it's best to get memory that's included on the Qualified Vendor List. This can be checked on our ASUS Help Desk.
A:AnswerThey're both motherboards. If you're referring to the parts, they are both compatible with the same parts. such as the CPU, RAM, GPU, and PSU are all compatible.
A:AnswerYes, it supports Ryzen 5 2600. Please review the CPU support list here: https://rog.asus.com/us/motherboards/rog-strix/rog-strix-b450-f-gaming-model/helpdesk_cpu
A:AnswerThis motherboard does not have USB BIOS Flashback. The successor board B450-F Gaming II does support that feature. https://rog.asus.com/us/motherboards/rog-strix/rog-strix-b450-f-gaming-ii-model/
A:AnswerYes, this board supports current Ryzen 5000 CPUs with a BIOS update from version 4007. Please note that you may need to flash this board's BIOS after purchase. https://rog.asus.com/us/motherboards/rog-strix/rog-strix-b450-f-gaming-model/helpdesk_cpu