The be quiet! Dark Base Pro 901 is the objective winner of this comparison, securing six out of eight total specification categories. Its most significant advantage over the competition is its storage capacity, offering 200% more 3.5" bays for internal drive mounting. This superior hardware configuration makes it the more versatile option for users requiring extensive physical storage space within their system build.

Users prioritizing maximum storage expansion should choose the be quiet! Dark Base Pro 901 for its significant bay advantage. Conversely, the Silverstone FARA R1 Pro is the better selection for budget-conscious builders, as it holds a 74% advantage in MSRP. Those who do not require the high-capacity drive support of the former should opt for the latter to take advantage of its more favorable pricing.