The ASRock B550 Steel Legend and the Gigabyte B860 AORUS ELITE WIFI are objectively tied, as both motherboards secure an equal number of specification victories across the evaluated categories. The most impactful advantage for the ASRock B550 Steel Legend is its PCIe x1 slot configuration, which offers a 100% improvement over the competition. Conversely, the Gigabyte B860 AORUS ELITE WIFI provides a 100% advantage in maximum memory capacity, representing its most significant technical lead.

Users prioritizing expansion capabilities should select the ASRock B550 Steel Legend to utilize the superior number of PCIe x1 slots available for add-in cards. Alternatively, those requiring higher memory density for their system configuration should choose the Gigabyte B860 AORUS ELITE WIFI to leverage its doubled maximum memory support. Both boards offer identical performance in the remaining seven categories, making the choice dependent entirely on whether your build requires additional expansion slots or increased memory overhead.