The be quiet! Dark Power 13 1000W is the objective winner of this comparison, securing more total spec victories than its competitor. Its most impactful advantage is the inclusion of a 12VHPWR connector, which represents a 100% improvement over the alternative. While the Corsair AX1600i offers a significant 60% advantage in total wattage, the be quiet! unit provides a more modern feature set that aligns with current hardware standards for power delivery.

Users should choose the be quiet! Dark Power 13 1000W if they prioritize native compatibility with modern graphics cards requiring the 12VHPWR connector. Conversely, the Corsair AX1600i is the superior choice for enthusiasts or professionals who require the highest possible wattage capacity for their system builds. Selecting between these two units depends entirely on whether your priority is modern connectivity or raw power output.