The Corsair AX1600i is the objective winner of this comparison, securing more total specification victories than the be quiet! Straight Power 12 850W. While both units offer distinct strengths, the most impactful advantage for the Corsair AX1600i is its superior quantity of PCIe connectors, which provides a 100% improvement over the competition. This makes it the more robust option for systems requiring extensive multi-GPU or high-end peripheral connectivity configurations.

Users should select the Corsair AX1600i if their primary requirement is maximum PCIe connectivity for complex hardware setups. Conversely, the be quiet! Straight Power 12 850W is the better choice for builders prioritizing the 12VHPWR connector, where it holds a 100% advantage over the alternative. Choosing between these two power supplies depends entirely on whether your specific build demands a higher volume of traditional PCIe cables or the modern 12VHPWR standard for power delivery.