The Lian Li Lancool 216 is the objective winner of this comparison, securing six out of eight total specifications. Its most impactful advantage over the Corsair 4000D Airflow is the inclusion of fans, which provides a 50% improvement in that specific category. By outperforming the Corsair 4000D Airflow in the majority of measured fields, the Lian Li Lancool 216 establishes itself as the superior option based on the provided technical data.

Users prioritizing out-of-the-box cooling should select the Lian Li Lancool 216 due to its significant advantage in included fan hardware. This case is the logical choice for builders who want a more complete thermal solution without needing to purchase additional components. Conversely, those who do not require the specific fan configuration offered by the Lian Li Lancool 216 may still consider the Corsair 4000D Airflow, provided they are comfortable with the differences in their respective specifications.