The ASRock B850 Steel Legend WiFi and the ASUS ROG STRIX X870-A GAMING WIFI are tied in their overall objective performance, as both motherboards secure an equal number of specification victories across the evaluated categories. The most impactful advantage for the ASRock B850 Steel Legend WiFi is its USB Type-C connectivity, which offers a 100% improvement over the alternative. Conversely, the ASUS ROG STRIX X870-A GAMING WIFI provides a 100% advantage regarding the availability of PCIe x1 slots.

Users who prioritize modern peripheral connectivity should select the ASRock B850 Steel Legend WiFi for its superior USB Type-C implementation. This board is the logical choice for those requiring high-speed external device support. Alternatively, the ASUS ROG STRIX X870-A GAMING WIFI is the better option for builders who need additional expansion capacity through its increased number of PCIe x1 slots. Both components offer identical performance in the remaining categories, making the decision dependent entirely on these specific connectivity needs.