Soldato
That motherboard is more like a sub £100 motherboard. It's a ripoff. The Prime B450 is an £80 motherboard. If the B550 is that overpriced it means that the A520 will be priced the same as the Intel H and B series motherboards.A B550 plus one of the refreshed CPU's is going to be stiff competition for Intel.
The Asus B550i Strix is priced the same as an X570 mini-ITX motherboard.