Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

be quiet! System Power 9

400 W
Currently out of stock
Free shipping starting at 30,–

Product details

The use of a temperature-controlled quality fan and certification with 80PLUS Bronze enables particularly quiet and efficient operation. Two 12V lines and two PCI Express connectors provide solid power for the CPU and GPU.

Key specifications

80 PLUS certificate
Bronze
Power protection features
EIAOCPOPPOTPOVPSCP
Form factor
ATX
Internal connection options
15-pin S-ATA (5x)20+4 PIN ATX power connector (1x)4-pin Molex (2x)4+4-pin 12V (1x)6+2-pin PCI Express (2x)
Item number
7671488

General information

Manufacturer
be quiet!
Category
Power Supply PC
Manufacturer no.
BN245
Release date
13.2.2018
External links

Colour

Colour
Black
Exact colour description
Black

Power supply properties

Form factor
ATX
Efficiency
88%
80 PLUS certificate
Bronze

Power supply connectors

Internal connection options
15-pin S-ATA (5x)20+4 PIN ATX power connector (1x)4-pin Molex (2x)4+4-pin 12V (1x)6+2-pin PCI Express (2x)

Cooling properties

Cooling method
Active cooling
Number of fans
1x
Fan diameter
120 mm

Safety

Power protection features
EIAOCPOPPOTPOVPSCP

Power supply

Power
400 W

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
EU plugInstallation materialUser manual

Product dimensions

Length
15 cm
Width
14 cm
Height
8.60 cm
Weight
1750 g

Legal Notice

Product Safety

Package dimensions

Length
27 cm
Width
20 cm
Height
10 cm
Weight
2.05 kg

Report concern

Compare products

Goes with

Reviews & Ratings

Statutory 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: Galaxus
  • 1.HP
    0,3 %
  • 2.be quiet!
    1 %
  • 2.Corsair
    1 %
  • 4.Deepcool
    1,1 %
  • 4.Fortron
    1,1 %

Statutory 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: Galaxus
  • 9.Lian-Li
    3 days
  • 9.NZXT
    3 days
  • 11.be quiet!
    4 days
  • 12.ASUS
    5 days
  • 13.Seasonic
    7 days

Return rate

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

Source: Galaxus
  • 1.Cooler Master
    2,5 %
  • 2.MSI
    3,3 %
  • 3.be quiet!
    3,7 %
  • 4.Noctua
    3,8 %
  • 5.Enermax
    3,9 %
Source: Galaxus