The be quiet! System Power 11 is a powerful ATX 3.1 power supply with an output of 650 watts, designed for modern PC systems. It provides reliable power for current and future hardware, including high-performance graphics cards. With an 80+ Bronze certification, this power supply ensures high energy efficiency, leading to lower electricity costs and a more environmentally friendly usage. The integrated DC/DC converter technology guarantees stable voltage regulation, while the 120 mm fan ensures effective cooling while maintaining quiet operation. This power supply is an excellent choice for anyone who values performance, efficiency, and low noise levels.
Form factor | ATX |
80 PLUS certificate | Bronze |
Modularity | Permanently installed |
Internal connection options | 12V-2x6 (1x), 15-pin S-ATA (5x), 20+4 PIN ATX power connector (1x), 4-pin ATX 12V (1x), 4-pin Molex (1x), 4+4-pin 12V (1x), 6+2-pin PCI Express (2x) |
Item number | 57939221 |
Manufacturer | be quiet! |
Category | Power Supply PC |
Manufacturer no. | BP011EU |
Release date | 22.4.2025 |
Sales rank in Category Power Supply PC | 67 of 2950 |
May include power adapter | Yes |
Colour | Black |
Exact colour description | Black |
Form factor | ATX |
Efficiency | 89.70 % |
80 PLUS certificate | Bronze |
Modularity | Permanently installed |
Internal connection options | 12V-2x6 (1x), 15-pin S-ATA (5x), 20+4 PIN ATX power connector (1x), 4-pin ATX 12V (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 | 650 W |
Country of origin | China |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 4 fixing screws, Cable ties |
Length | 8.60 cm |
Width | 15 cm |
Height | 14 cm |
Weight | 1970 g |
Length | 27.50 cm |
Width | 20 cm |
Height | 10 cm |
Weight | 2.43 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