be quiet! System Power 11 650W

The  be quiet! System Power 11  is a quiet, efficient power supply for budget-conscious gaming systems. With modern ATX 3.1 specification, a strong 12V rail, and PCIe 5.0 GPU-ready configuration, it is perfectly suited for gaming PCs or high-performance workstations.

• ATX 3.1 compliant – ideal for PCIe 5.1 graphics cards
• 1x 12V-2x6 (up to 450 W) and 2x PCIe 6+2 connectors
• Efficiency of up to 89.7% – 80 PLUS Bronze certified
• Noise-optimised 120mm fan for quiet operation
• Reliable DC/DC technology and protective features

Future-proof and compatible with modern GPUs

The System Power 11 is a power supply in the ATX form factor with a depth of 140 mm - perfect for high-performance desktop PCs and fits in most common cases. With ATX 3.1, you are opting for modern power supply technology that enables maximum efficiency and lightning-fast load changes. Thanks to PCIe 5.1 and 12V-2x6 support, you are well-equipped for upcoming and current hardware!The 650-watt power supply reliably and stably powers office, multimedia systems, and small gaming PCs.

Quiet cooling for everyday use and gaming

The practical Zero-dB mode ensures that the fan remains off under low load and only activates under higher loads. The temperature-controlled 120mm fan ensures quiet operation even under load. Perfect for anyone who desires a quiet working environment or a discreet gaming setup.The power supply is ideal for gamers due to its stable and powerful voltage supply, reliably powering modern graphics cards and processors while delivering consistent performance even under high load.

Efficient and stable – even under high load

80 PLUS Bronze – Solid efficiency with up to 88% efficiency under typical load at 230V. The strong 12V rail and DC/DC voltage converters guarantee stable power supply – even during load changes. Ideal for systems with a strong CPU/GPU combination.The power supply is equipped with a single-rail voltage supply and is ideally suited for high-performance hardware, as it consolidates all available power on a single 12V rail and reliably supplies high loads.