
Be Quiet! · Electronics
be quiet! SYSTEM POWER 11 650W 80+ Bronze
€79.00
In stock
Prices last checked 2 Nov 2026, 12:52 UTC. Delivery and checkout conditions apply.
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Klikk Computer Store
In stock · Checked 2 Nov 2026, 12:52 UTC
About this product
Reliable 650 W Power For Modern PCs The be quiet! System Power 11 650W is an ATX 3.1 power supply with 650 W of continuous output for current desktop systems. It supports PCIe 5.1 graphics cards with a native 12V-2x6 connector rated for up to 450 W, plus two PCIe 6+2-pin connectors for compatible GPUs. Stable Power Under Load A strong single 12 V rail and DC-to-DC conversion help maintain dependable output for the CPU and graphics card. The PSU is designed to handle short power excursions up to twice its rated power, with built-in protection against overcurrent, overvoltage, undervoltage, overtemperature, overloads, short circuits and surges. Efficient Bronze-Certified Operation 80 PLUS Bronze certification supports efficient power conversion, with a listed peak efficiency of 89.7% at 230 V and 50% load. The temperature-controlled 120 mm fan adjusts to cooling demand, helping keep noise low during typical use. Flexible Connections For Your Build ATX 3.1 compatibility, a native 12V-2x6 connector, two PCIe 6+2-pin connectors, SATA and peripheral connectors provide options for a range of current PC components. The System Power 11 650W is built for consistent everyday operation, with a