The be quiet! Dark Base Pro 901 is the objective winner of this comparison, securing victories in six out of eight evaluated specifications. Its most significant advantage over the competition is the inclusion of fans, which provides a 100% improvement in that category. This makes the be quiet! Dark Base Pro 901 a more comprehensive hardware package out of the box compared to the Corsair 6500X, which only leads in a single specification.

Users who prioritize a complete cooling solution should choose the be quiet! Dark Base Pro 901 to take advantage of its superior fan inclusion. Conversely, the Corsair 6500X is the better option for budget-conscious builders, as it offers a 35% advantage in MSRP. Selecting between these two cases depends on whether you value the immediate utility of pre-installed cooling components or the lower initial cost of the alternative.