The Phanteks NV5 is the objective winner of this comparison, securing five category victories against the two held by the Corsair 4000D RS Frame. The most impactful advantage for the Phanteks NV5 is its superior capacity for 2.5" storage drives, which offers a 100% improvement over the competition. While the Corsair 4000D RS Frame maintains a lead in other areas, the overall spec count confirms that the Phanteks NV5 provides a more comprehensive feature set for modern builds.

Users who prioritize high-density storage for smaller form-factor drives should choose the Phanteks NV5 to take advantage of its doubled 2.5" bay capacity. Conversely, the Corsair 4000D RS Frame remains the better selection for those who require more space for 3.5" hard drives, as it offers a 100% advantage in that specific category. Selecting between these two cases depends entirely on whether your storage configuration favors the smaller or larger drive format.