The be quiet! System Power 11 is a powerful ATX 3.1 power supply with an output of 450 watts, designed for reliable power delivery to PC systems. With its 80+ Bronze certification, it offers high energy efficiency, reducing power consumption and minimizing heat generation. The power supply is equipped with up to three PCIe 6+2 connectors, ensuring compatibility with current and future graphics cards. An integrated DC/DC converter provides stable voltage regulation, while the 120 mm fan ensures effective cooling while maintaining quiet operation. This power supply is an excellent choice for those who value performance, efficiency, and reliability.
Form factor | ATX |
80 PLUS certificate | Bronze |
Modularity | Permanently installed |
Internal connection options | 15-pin S-ATA (5x), 20+4 PIN ATX power connector (1x), 4-pin Molex (1x), 4+4-pin 12V (1x), 6+2-pin PCI Express (2x) |
Item number | 57939222 |
Manufacturer | be quiet! |
Category | Power Supply PC |
Manufacturer no. | BP009EU |
Release date | 22.4.2025 |
Sales rank in Category Power Supply PC | 171 of 2950 |
May include power adapter | Yes |
Colour | Black |
Exact colour description | Black |
Form factor | ATX |
Efficiency | 89 % |
80 PLUS certificate | Bronze |
Modularity | Permanently installed |
Internal connection options | 15-pin S-ATA (5x), 20+4 PIN ATX power connector (1x), 4-pin Molex (1x), 4+4-pin 12V (1x), 6+2-pin PCI Express (2x) |
Cooling method | Active cooling |
Number of fans | 1 x |
Fan diameter | 120 mm |
LED colour | without LED |
Power protection features | EIA, OCP, OPP, OTP, OVP, SCP |
Power | 450 W |
Country of origin | China |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 1 piece |
Length | 8.60 cm |
Width | 15 cm |
Height | 14 cm |
Weight | 1700 g |
Length | 27 cm |
Width | 20 cm |
Height | 10 cm |
Weight | 2.17 kg |
How often does a product of this brand in the «Power Supply PC» category have a defect within the first 24 months?
Source: Digitec GalaxusHow many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec GalaxusHow often is a product of this brand in the «Power Supply PC» category returned?
Source: Digitec Galaxus