The NZXT C1500 Platinum is the objective winner of this comparison, securing more individual specification victories than its competitor. While both power supplies share several identical features, the most significant advantage held by the NZXT C1500 Platinum is its capacity for SATA connections, which offers a 50% increase over the Corsair HX1200i. This hardware superiority makes it the more versatile choice for systems requiring extensive peripheral support.

Users who prioritize budget efficiency should select the Corsair HX1200i, as it holds a 32% advantage in MSRP compared to the alternative. Conversely, builders planning complex systems with a high volume of storage drives or accessories should choose the NZXT C1500 Platinum to leverage its superior SATA connectivity. Selecting between these two units depends entirely on whether your primary requirement is minimizing initial expenditure or maximizing the number of available peripheral power ports.