The be quiet! Silent Base 802 is the objective winner of this comparison, securing five category wins against the two held by the Phanteks G400A. The most impactful advantage for the be quiet! Silent Base 802 is its storage capacity, offering 250% more 2.5" bays than its competitor. This significant lead in drive support establishes it as the superior option for users prioritizing internal hardware expansion and storage density within their system build.

Users who require extensive storage configurations should choose the be quiet! Silent Base 802 to take advantage of its superior bay count. Conversely, the Phanteks G400A is the better choice for budget-conscious builders, as it holds a 56% advantage in MSRP. Selecting between these two cases depends entirely on whether your priority is maximizing internal drive capacity or minimizing the initial financial investment required for your chassis.