The be quiet! Pure Power 12 M 750W and the be quiet! Pure Power 13 M 850W result in an objective tie across the evaluated specifications. While both units share several identical features, they each hold a distinct primary advantage. The be quiet! Pure Power 12 M 750W offers a 50% improvement in modularity, while the be quiet! Pure Power 13 M 850W provides a 13% increase in total wattage capacity compared to its counterpart.

Choose the be quiet! Pure Power 12 M 750W if your build prioritizes superior modularity for cable management and system organization. Conversely, select the be quiet! Pure Power 13 M 850W if your hardware configuration requires the additional 13% wattage headroom to support more power-intensive components. Both units remain viable options depending on whether your specific system needs favor flexible connectivity or higher total power output.