The Corsair RM850x is the objective winner of this comparison, securing more individual specification victories than its competitor. While both power supplies share several identical features, the Corsair RM850x provides a significant advantage in connectivity, offering 50% more PCIe connectors than the Cooler Master V850 SFX Gold. This superior connector count serves as the most impactful differentiator between the two units, providing greater flexibility for hardware configurations that require multiple high-power peripheral connections.

Users building systems with multiple graphics cards or extensive peripheral arrays should choose the Corsair RM850x to take advantage of its superior PCIe connector capacity. Conversely, the Cooler Master V850 SFX Gold is the better choice for users prioritizing modern hardware compatibility, as it features a 12VHPWR connector that is 100% better than the alternative. Selecting between these units depends entirely on whether your specific build requires more traditional PCIe cables or the newer 12VHPWR standard.