be quiet! Netzteil System Power 11 450W 80+ Bronze

450 W
Ratings
BrandMore from be quiet!
Delivered between Wed, 25.6. and Fri, 27.6.
9 items in stock at supplier
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Product details

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.

  • 80+ Bronze certification for high energy efficiency
  • Up to 3 PCIe 6+2 connectors for modern graphics cards
  • DC/DC converter for stable voltage regulation
  • 120 mm fan for quiet operation and effective cooling.

Key specifications

Form factor
ATX
80 PLUS certificate
Bronze
Item number
57939222

General information

Manufacturer
be quiet!
Category
Power Supply PC
Manufacturer no.
BP009EU
Release date
22.4.2025
Sales rank in Category Power Supply PC
320 of 2575

Colour

Colour
Black
Exact colour description
Black

Power supply properties

Form factor
ATX
Efficiency
89 %
80 PLUS certificate
Bronze

Cooling properties

Cooling method
Active cooling
Number of fans
1 x
Fan diameter
120 mm
LED colour
without LED

Power supply

Power
450 W

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
8.60 cm
Width
15 cm
Height
14 cm
Weight
1700 g

Package dimensions

Length
27 cm
Width
20 cm
Height
10 cm
Weight
216 g

30-day right of return
36 Months Warranty (Bring-in)
9 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Power Supply PC» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Corsair
    0.9 %
  • 2.be quiet!
    1 %
  • 3.Seasonic
    1.1 %
  • 4.Deepcool
    1.2 %
  • 4.Xilence
    1.2 %

Warranty case duration

How 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 Galaxus
  • 3.Thermaltake
    1 day
  • 10.Enermax
    3 days
  • 11.Seasonic
    5 days
  • 12.be quiet!
    6 days
  • 13.ASUS
    8 days

Return rate

How often is a product of this brand in the «Power Supply PC» category returned?

Source: Digitec Galaxus
  • 1.MSI
    3.4 %
  • 2.be quiet!
    3.7 %
  • 3.Thermaltake
    3.8 %
  • 4.Seasonic
    4.1 %
  • 5.Gigabyte
    4.2 %
Source: Digitec Galaxus