The Corsair SF1000 (2024) is the objective winner of this comparison, securing three spec victories against the Corsair SF850. The most impactful advantage offered by the former is its superior connectivity, providing 33% more PCIe connectors than the latter. While both units share identical specifications across six other categories, the increased capacity for hardware expansion makes the Corsair SF1000 (2024) the more versatile option for high-end system configurations.

Users planning to build a high-performance PC with multiple power-hungry components should choose the Corsair SF1000 (2024) to take advantage of its expanded PCIe connectivity. Conversely, the Corsair SF850 remains a viable choice for builders whose specific hardware requirements do not exceed the lower connector count. Since both power supplies perform equally in the remaining six measured categories, the decision rests entirely on whether your build necessitates the additional PCIe support provided by the higher-capacity model.