The ASRock X870E Taichi is the objective winner of this comparison, securing victories in ten out of fourteen evaluated categories. Its most significant technical advantage over the MSI MEG X570 UNIFY is its maximum memory capacity, which is 100% higher. This substantial increase in supported RAM provides a clear lead in overall system scalability and memory-intensive workload potential, establishing the ASRock X870E Taichi as the superior choice for users prioritizing modern hardware standards and high-capacity configurations.

Users who require maximum memory support for demanding professional tasks should choose the ASRock X870E Taichi to leverage its superior capacity. Conversely, the MSI MEG X570 UNIFY remains a viable option for specific builds that rely on expansion cards, as it offers a 100% advantage in the number of available PCIe x1 slots. Selecting between these two motherboards depends entirely on whether your build prioritizes high-density memory or additional peripheral connectivity through expansion slots.