The Seasonic Focus GX-850 is the objective winner of this comparison, securing more individual specification victories than its competitor. While both power supplies share identical ratings across the majority of their technical fields, the Seasonic Focus GX-850 holds a distinct advantage in connectivity for storage devices. Specifically, it offers 11% more SATA connectors than the EVGA SuperNOVA 850 G6, providing a measurable edge for users who prioritize expanding their internal drive arrays within a single system build.

Users who require extensive storage configurations should choose the Seasonic Focus GX-850 to take advantage of its superior SATA connectivity. Conversely, the EVGA SuperNOVA 850 G6 is the better option for those who prioritize graphics card power delivery, as it features 50% more PCIe connectors than the alternative. Selecting between these two units depends entirely on whether your specific build configuration demands a higher quantity of storage power cables or a greater number of dedicated GPU power connections.