The Lian Li O11 Vision is the objective winner of this comparison, securing five out of eight total specification categories. Its most impactful advantage over the Lian Li O11 Air Mini is the inclusion of 2.5" bays, which provides a 100% increase in storage capacity for your build. While the Lian Li O11 Air Mini offers a 100% advantage in included fans, the Lian Li O11 Vision remains the superior choice based on the total number of winning specifications.

Choose the Lian Li O11 Vision if your primary requirement is maximizing internal storage capacity through its superior 2.5" bay configuration. Conversely, select the Lian Li O11 Air Mini if your priority is out-of-the-box cooling support, as it provides double the number of included fans compared to the alternative. Your decision should rely on whether you value additional drive mounting options or immediate fan integration for your system assembly.