The be quiet! Pure Power 13 M 750W and the Thermaltake Toughpower GF3 850W represent an objective tie across the evaluated technical specifications. While both units share equal standing in overall performance metrics, they offer distinct advantages in connectivity. The be quiet! Pure Power 13 M 750W provides the most significant edge in this comparison, featuring a 150% advantage in PCIe connectors, which serves as its primary benefit for users requiring high-end graphics power.

Choose the be quiet! Pure Power 13 M 750W if your build prioritizes extensive PCIe connectivity for multiple or high-draw graphics cards. Conversely, select the Thermaltake Toughpower GF3 850W if your system configuration demands a high volume of storage or peripheral devices, as it offers a 100% advantage in SATA connectors. Both power supplies are equally capable options, so your final decision should rely entirely on whether your specific hardware setup requires more PCIe or SATA connections.