The Corsair AX1600i is the objective winner of this comparison, securing victory across five of the nine evaluated specifications. Its most significant advantage over the competition is its capacity for SATA connections, which offers a 167% improvement in connectivity density. While the be quiet! Pure Power 13 M 750W holds its own in three categories, the superior hardware density provided by the Corsair AX1600i makes it the more robust choice for high-end system configurations.

Users requiring extensive storage arrays or complex peripheral setups should prioritize the Corsair AX1600i for its vastly superior SATA connector count. Conversely, those building modern systems that rely specifically on the latest power delivery standards should choose the be quiet! Pure Power 13 M 750W, as it provides a 100% advantage in 12VHPWR connector availability. Selecting between these two units depends entirely on whether your build prioritizes legacy peripheral expansion or current-generation GPU power delivery.