The Corsair RM850x and the EVGA SuperNOVA 850 G6 are effectively tied in this comparison, as both units share identical performance across seven of the nine evaluated specifications. The Corsair RM850x holds the primary advantage in connectivity, offering 11% more SATA connectors than its competitor. Conversely, the EVGA SuperNOVA 850 G6 maintains a 7% lead in MSRP, representing the most significant financial benefit between the two power supply units.

Users who prioritize system expandability and require additional storage drives should select the Corsair RM850x for its superior SATA connector count. Alternatively, those focused on minimizing initial hardware costs should choose the EVGA SuperNOVA 850 G6 due to its lower MSRP. Since both units perform identically in the vast majority of technical categories, the final decision rests entirely on whether your build requires extra peripheral connectivity or a more budget-friendly purchase price.