The ASRock X870 Steel Legend WiFi wins in 7 out of 14 comparable specs, with 5 ties. Its biggest advantage is M.2 Slots (100% better).
PRO B860M-A WIFI wins in 2 specs (PCIe x1 Slots: 100% better).
Recommendation
Choose X870 Steel Legend WiFi if you want the best overall performance — especially m.2 slots.
Choose PRO B860M-A WIFI if pcie x1 slots matters more to you.
AI Versus Verdict
The ASRock X870 Steel Legend WiFi is the objective winner of this comparison, securing more victories across the evaluated specifications. Its most impactful advantage is the inclusion of M.2 slots, which provides a 100% improvement over the alternative. This significant increase in storage connectivity positions the ASRock X870 Steel Legend WiFi as the superior choice for users prioritizing high-capacity or high-speed drive configurations within their system build.
Users who require extensive storage expansion should select the ASRock X870 Steel Legend WiFi for its superior M.2 slot count. Conversely, the MSI PRO B860M-A WIFI is the better option for those who specifically need additional PCIe x1 slots, where it maintains a 100% advantage. Choosing between these two motherboards depends entirely on whether your specific build requirements prioritize modern high-speed storage or the legacy expansion capabilities offered by the MSI PRO B860M-A WIFI.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.
