The be quiet! Dark Base Pro 901 is the objective winner of this comparison, securing victories in seven out of eight measured specifications. Its most significant advantage over the competition is its storage capacity, offering 150% more 2.5" bays for internal drives. This superior hardware configuration makes it the more versatile option for users requiring extensive storage expansion and a higher density of component support within their system build.

The be quiet! Dark Base Pro 901 is the ideal choice for power users who prioritize maximum drive capacity and feature-rich hardware support. Conversely, the Phanteks NV7 is the better selection for budget-conscious builders, as it holds a 44% advantage in MSRP. Those who do not require the additional storage bays provided by the former should opt for the latter to take advantage of its more accessible price point.