The Thermaltake Toughpower GF3 850W is the objective winner of this comparison, securing more individual specification victories than its competitor. While both units share several identical features, the Thermaltake Toughpower GF3 850W holds a significant advantage in connectivity capacity, offering 50% more SATA connectors than the alternative. This superior port density provides a clear edge for users requiring extensive storage configurations or multiple peripheral connections within their system builds.

Choose the Cooler Master V850 SFX Gold if your primary requirement is high-density PCIe connectivity, as it offers a 100% advantage in that specific category. Conversely, select the Thermaltake Toughpower GF3 850W if your build prioritizes a higher count of SATA connectors. Both power supplies share the majority of their specifications, so your final decision should rely entirely on whether your specific hardware setup demands more PCIe cables or a greater number of SATA power connections.