The ASRock B550 Steel Legend is the objective winner of this comparison, securing a lead in eight out of thirteen evaluated specifications. Its most significant advantage over the competition is its storage capacity, offering 200% more SATA ports for internal drive connectivity. This hardware configuration provides a more robust foundation for users requiring extensive local storage arrays compared to the alternative, establishing the ASRock B550 Steel Legend as the superior choice based on the total number of winning specifications.

Users who prioritize high-capacity storage expansion should select the ASRock B550 Steel Legend for its superior SATA port count. Conversely, those who require advanced peripheral connectivity should opt for the ASUS ROG STRIX X870E-I GAMING WIFI, which holds a 200% advantage in USB Type-C port availability. Choosing between these two motherboards depends entirely on whether your specific build demands more internal hard drives or a higher density of modern USB Type-C interface connections.