The be quiet! Pure Power 13 M 1200W is the objective winner of this comparison, securing victory in four out of seven evaluated specifications. Its most impactful advantage is the inclusion of a 12VHPWR connector, which represents a 100% improvement over the alternative. By offering this modern connectivity standard, the be quiet! Pure Power 13 M 1200W ensures broader compatibility with current high-end hardware compared to the Lian Li SP750.

Users prioritizing modern connectivity and higher power capacity should select the be quiet! Pure Power 13 M 1200W for their builds. Conversely, the Lian Li SP750 is the better choice for budget-conscious consumers, as it holds a 43% advantage in MSRP. Choosing between these two units depends on whether your priority is the advanced connector standard provided by the former or the lower cost offered by the latter.