For its value, the functionality of the ASRock B550 Extreme4 is very good. It has 15 USB ports of different types (including 3 USB3 Gen2), 2 PCIe x16 slots (of which the first receives 16 PCIe lanes from the processor) with the ability to create AMD CrossFire, 2 PCIe x1 slots for expansion cards, 2 M.2 slots, 6 SATA ports. The board offers 7 connectors for fans and pumps; all drives in M.2 slots are equipped with heatsinks. Perhaps there is only one wired network controller, but it is high-speed, 2.5 Gigabit.
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