The be quiet! Dark Base Pro 901 is the objective winner of this comparison, securing victories in seven out of eight evaluated specifications. Its most significant advantage lies in its storage capacity, offering 150% more 2.5" drive bays than its competitor. This superior hardware configuration makes it the more versatile option for users requiring extensive internal expansion capabilities for multiple drives within their system build.

The Fractal Design North is the preferred choice for budget-conscious builders, as it holds a 52% advantage in MSRP. Users who prioritize a lower initial investment over maximum storage capacity should select this model. Conversely, those who require the extensive drive support provided by the be quiet! Dark Base Pro 901 should choose that case to ensure their specific hardware requirements are met.