The be quiet! Pure Power 13 M 850W 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 Fractal Design Ion+ 2 Platinum 860W in that specific category. This feature provides a critical modern connection standard that the alternative lacks, making it the superior choice for systems requiring current hardware compatibility.

Users building systems with modern graphics cards that utilize the 12VHPWR standard should select the be quiet! Pure Power 13 M 850W to ensure direct power delivery. Conversely, the Fractal Design Ion+ 2 Platinum 860W remains a viable option for those prioritizing cable management flexibility, as it offers a 50% advantage in modularity. Choose the former for modern interface support or the latter if your primary build requirement is a more modular power supply configuration.