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 drive mounting. This superior hardware configuration makes it the more versatile choice for users requiring extensive storage expansion within their chassis compared to the alternative.

Users who prioritize maximum storage flexibility and a higher number of internal drive mounting points should select the be quiet! Dark Base Pro 901 for their build. Conversely, the Phanteks NV7 is the appropriate choice for budget-conscious builders, as it holds a 44% advantage in MSRP. Choosing the Phanteks NV7 allows for a more cost-effective purchase while still providing a functional housing for system components.