The ASRock X870E Taichi is the objective winner of this comparison, securing more wins across the evaluated specifications. Its most significant advantage lies in its storage connectivity, offering 50% more SATA ports than the alternative. This makes it the superior choice for users prioritizing traditional drive expansion and legacy storage configurations. While the competition remains close across most metrics, this specific lead in SATA capacity provides a clear functional edge for the ASRock X870E Taichi.

Users who require extensive internal storage arrays should select the ASRock X870E Taichi to leverage its superior SATA port count. Conversely, those who prioritize high-speed NVMe storage should opt for the Gigabyte Z890 AORUS MASTER, which provides a 25% advantage in available M.2 slots. Choosing between these two motherboards depends entirely on whether your build configuration relies more heavily on traditional SATA drives or modern M.2 solid-state storage solutions.