The be quiet! Pure Power 12 550W non-modular ATX 3.1 PSU delivers 80 PLUS Gold efficiency up to 92.4% with LLC topology for superior voltage regulation and low ripple in compact systems. Featuring native 12V-2x6 for PCIe 5.1 GPUs and two PCIe 6+2-pin connectors, it handles double excursions up to 1100W for reliable next-gen compatibility. The temperature-controlled 120mm be quiet! fan with optimized blades ensures silent operation under 20 dB(A), while Japanese capacitors and full protections (OVP/UVP/SCP/OPP/OTP) provide 10-year durability. Fixed cables including dual EPS and SATA/Molex support essential builds, ideal for quiet mid-range gaming PCs and workstations prioritizing efficiency, stability, and minimal noise without modularity.