As a reminder, AMD's AM5 platform will support CPUs with a TDP of up to 170W, 28 PCIe 5.0 lanes (x16 for graphics cards, x8 general purpose lanes used for storage and USB4/Thunderbolt 4 ...

Also, even though Zen 4 is known to support PCIe 5.0, it's likely that the lanes off the chipset will be PCIe 4.0 at a maximum, and possibly just PCIe 3.0. That is probably not a concern ...

With 1718 pins to bridge between CPU and motherboard in AM5, LGA is the sensible choice. With these motherboards, Zen 4 CPUs will be able to draw up to 170 watts natively.