The Lian Li Lancool 207 is the objective winner of this comparison, securing more category victories than the Corsair 4000D RS Frame. The most impactful advantage offered by the Lian Li Lancool 207 is its superior configuration of included fans, which provides a 33% improvement over the alternative. While both cases tied in four separate categories, the overall spec-based performance favors the Lian Li model due to this specific cooling hardware advantage.

Users prioritizing out-of-the-box cooling efficiency should choose the Lian Li Lancool 207 for its significant fan advantage. This makes it a more complete solution for builders who want to minimize additional hardware purchases. Conversely, the Corsair 4000D RS Frame remains a viable option for those who do not require the specific cooling configuration provided by the competitor, as it matches the other case in four distinct areas of design and functionality.