The ASRock B850 Steel Legend WiFi is the objective winner of this comparison, securing more individual specification victories than the ASRock B550 Steel Legend. While both motherboards share several identical features, the ASRock B850 Steel Legend WiFi provides a significant advantage in maximum memory capacity, which is 100% better than the alternative. This increased memory support serves as the most impactful technical improvement offered by the newer model over its predecessor.

Users who prioritize high-capacity memory configurations should choose the ASRock B850 Steel Legend WiFi to take advantage of its superior memory ceiling. Conversely, the ASRock B550 Steel Legend remains the better option for builders who require more expansion flexibility, as it offers 100% more PCIe x1 slots. Selecting between these two components depends entirely on whether your specific build requires greater memory overhead or additional room for peripheral expansion cards.