be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Blac

be quiet! System Power 11 550 W - 80 PLUS Bronze ATX 3.1 Power Supply The be quiet! System Power 11 550 W offers dependable performance in an affordably-priced package. Designed with ATX 3.1 compatibility and a temperature-controlled fan, it ensures quiet operation and modern GPU support through a 12V-2×6 connector-perfect for value-focused builds that demand reliability. Key Features: ATX 3.1 Standard - Future-ready with native 12V-2×6 (PCIe 5.1) connector and two PCIe 6+2 outputs 80 PLUS Bronze Efficiency - Up to ~89.7% efficient for lower energy use and heat Temperature-Controlled 120 mm Fan - Runtime-optimized cooling with whisper-quiet operation Stable Single 12 V Rail - Strong, consistent power delivery for demanding components DC-to-DC Regulation - Tight voltage control for enhanced system stability Ultra-Low Standby Power - Less than 0.1 W in modern standby mode Comprehensive Protections - Safeguards include OVP, OCP, OPP, SCP, UVP, OTP, and surge protection Reliable and Silent