The Corsair SF1000 (2024) is the objective winner of this comparison, securing a lead in four out of seven evaluated specifications. Its most significant advantage is its modular design, which offers a 50% improvement over the alternative. While the be quiet! Pure Power 13 M 850W holds its own in two categories, it falls behind in the majority of technical metrics, despite maintaining a 35% advantage in MSRP.

Users prioritizing superior cable management and configuration flexibility should choose the Corsair SF1000 (2024) for their build. Conversely, the be quiet! Pure Power 13 M 850W is the better option for budget-conscious consumers who want to maximize their savings. Selecting between these two power supplies depends entirely on whether you value the increased modularity of the former or the lower cost of the latter.