The NZXT H5 Flow (2024) is the objective winner of this comparison, securing more category victories across the evaluated specifications. Its most significant advantage over the Lian Li O11 Air Mini is its support for larger cooling hardware, offering a 29% improvement in maximum radiator size. While both cases performed equally in two categories, the NZXT H5 Flow (2024) provides superior flexibility for liquid cooling configurations compared to the Lian Li O11 Air Mini.

Users prioritizing advanced cooling setups should choose the NZXT H5 Flow (2024) to take advantage of its increased radiator capacity. Conversely, the Lian Li O11 Air Mini is the better option for those requiring extensive storage, as it offers a 300% advantage in 3.5-inch drive bay capacity. Selecting between these two cases depends entirely on whether your build requires more space for cooling components or a higher volume of mechanical hard drives.