The NZXT C1500 Platinum is the objective winner of this comparison, securing more victories across the evaluated specifications. Its most impactful advantage is the inclusion of SATA connectors, which provides a 200% increase in capacity compared to the alternative. While the DeepCool PX850G falls behind in total spec wins, it maintains a significant lead in affordability, offering a 71% better MSRP that serves as its primary advantage for budget-conscious system builders.

Users who require extensive storage configurations or complex peripheral setups should choose the NZXT C1500 Platinum to leverage its superior SATA connectivity. Conversely, the DeepCool PX850G is the better option for builders prioritizing cost efficiency who do not require the high connector count of the competitor. Selecting between these two power supplies depends entirely on whether your build demands maximum peripheral expansion or a more economical price point.