Last July, AMD released a 7nm Zen 2-based Ryzen 3000 desktop processor, but in recent days it seems that only the X570 has a companion PCIe 4.0 chipset. Although the B550A has appeared in OEM whole machine products, but the test is the B450 skin change, but the brush BIOS released a PCIe 4.0 slot.
Today, VCZ exposed the first full-bearded, such as the fake bag replacement B550 motherboard, from the Soyo, product named The Dragon B550M, also known as the M-ATX medium board.
Because of the main price, the main cost, the main material generally, 4 plus 2 phase CPU power supply, two PCIe 4.0 x16 slot, one X4 slot, two memory slots, 4 SATA interface, there are M.2 extension, south bridge chip exposed, estimated that the retail version will be added to the heat sink.
However, the exact time to market for the B550 main board is not known, due to the current supply chain capacity is generally affected, do not rule out the possibility of delay.
As for the lower price of the A520 motherboard is more difficult to say, and whether it will block PCIe 4.0 is also unknown.