be quiet! System Power 9

700 W
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Product details

The System Power 9 700W CM is equipped with a temperature-controlled 120mm quality fan. It offers the well-known quiet operation of be quiet for cost-effective systems. The 80 PLUS Bronze certification is a convincing proof of the efficient and energy-saving operation of this power supply unit. With an efficiency of up to 89%, it represents a remarkable performance for a PSU in its class.

The System Power 9 700W CM provides a stable and reliable power supply for CPU and GPU. It features two independent 12V rails and supports graphics card configurations with four PCI-Express connectors. The DC/DC converter ensures strong voltage regulation—even under heavy cross-loads. This makes the power supply a reliable companion for the next generations of processors and graphics cards.

The high-quality, black-sheathed cables of the System Power 9 700W CM give any PC system an appealing appearance. Thanks to the semi-modular cable management, only the cables that are truly needed are used. Top component protection with comprehensive safety features, including OCP, OVP, OPP, OTP, UVP, and SCP, ensures uncompromisingly safe operation.

Key specifications

Form factor
ATXEPS12V
80 PLUS certificate
Bronze
Modularity
Partially modular cable management
Internal connection options
15-pin S-ATA (10x)20+4 PIN ATX power connector (1x)4-pin floppy (2x)4+4-pin 12V (1x)6+2-pin PCI Express (4x)
Item number
11939038

General information

Manufacturer
be quiet!
Category
Power Supply PC
Manufacturer no.
BN303
Release date
24.7.2019
Sales rank in Category Power Supply PC
39 of 2365
External links
May include power adapter
Yes

Colour

Colour
Black
Exact colour description
Black

Power supply properties

Form factor
ATXEPS12V
Efficiency
89 %
80 PLUS certificate
Bronze
Modularity
Partially modular cable management

Power supply connectors

Internal connection options
15-pin S-ATA (10x)20+4 PIN ATX power connector (1x)4-pin floppy (2x)4+4-pin 12V (1x)6+2-pin PCI Express (4x)

Cooling properties

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

Safety

Power protection features
EIAOCPOPPOTPOVPSCP

Power supply

Power
700 W

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
PCIeSATA

Product dimensions

Length
14 cm
Width
15 cm
Height
8.60 cm
Weight
1690 g

Package dimensions

Length
26.80 cm
Width
19.70 cm
Height
10 cm
Weight
2.40 kg

30-day right of return
36 Months Warranty (Bring-in)
10 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.Xilence
    1.1 %
  • 4.Seasonic
    1.2 %
  • 4.Silverstone
    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
  • 10.Thermaltake
    2 days
  • 11.Enermax
    3 days
  • 12.be quiet!
    5 days
  • 12.Seasonic
    5 days
  • 14.ASUS
    9 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
    3.9 %
  • 5.Corsair
    4.4 %
Source: Digitec Galaxus