The be quiet! Dark Power Pro 13 1300W is the objective winner of this comparison, securing a lead in six out of nine evaluated specifications. Its most significant technical advantage is the inclusion of SATA connectors, which provides a 167% increase in capacity compared to the alternative. This superior connectivity makes the unit a more robust choice for systems requiring extensive peripheral support, solidifying its position as the more feature-rich option for high-end builds.

Users prioritizing extensive hardware expansion should select the be quiet! Dark Power Pro 13 1300W for its superior connector density. Conversely, the Fractal Design Ion+ 2 Platinum 860W is the better choice for budget-conscious builders, as it holds a 66% advantage in MSRP. Those who do not require the high-capacity power or the additional SATA connectivity of the larger unit will find the Fractal Design Ion+ 2 Platinum 860W to be the more economical solution.