The ASRock B850 Steel Legend WiFi wins in 10 out of 14 comparable specs, with 2 ties. Its biggest advantage is Max Memory (300% better).
PRO B660M-A WIFI DDR4 wins in 2 specs (PCIe x1 Slots: 100% better).
Recommendation
Choose B850 Steel Legend WiFi if you want the best overall performance — especially max memory.
Choose PRO B660M-A WIFI DDR4 if pcie x1 slots matters more to you.
AI Versus Verdict
The ASRock B850 Steel Legend WiFi is the objective winner of this comparison, securing victories in ten out of fourteen evaluated categories. Its most significant advantage is its maximum memory capacity, which is 300% higher than that of the competing board. This substantial lead in memory support makes the ASRock B850 Steel Legend WiFi the superior choice for users who prioritize high-density RAM configurations for their system builds.
Users requiring extensive memory headroom should select the ASRock B850 Steel Legend WiFi for its clear capacity advantage. Conversely, the MSI PRO B660M-A WIFI DDR4 is the better option for those who specifically need additional expansion connectivity, as it offers 100% more PCIe x1 slots than the alternative. Choosing between these two motherboards depends entirely on whether your build demands maximum system memory or a higher number of available PCIe x1 expansion slots.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.
