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be quiet! SFX Power 3

300 W
Currently out of stock
Free shipping starting at 39,–

Product details

SFX Power 3 300W with 80 PLUS Bronze certification supports a PCIe graphics card and is the top choice for compact power supplies for compact gaming PCs. The SFX Power 3 300W offers the ideal combination of efficiency, quiet operation, and reliability. A PCIe connector for a high-power graphics card is available. The power supply includes essential safety features for comprehensive protection against overcurrent, overvoltage, undervoltage, short circuits, and overload. The SFX Power 3 provides 300W of effective continuous power and ensures reliable operation even under sudden, heavy loads. The temperature-controlled 80mm quality fan enables quiet operation at a maximum of 29.4 dB(A). The 80 PLUS Bronze certification with an efficiency of up to 89.2% is a compelling testament to the efficient and energy-saving operation of this power supply.

Key specifications

Power protection features
EIAOCPOPPOTPOVPSCP
Form factor
SFX
Internal connection options
20+4 PIN ATX power connector (1x)4-pin CPU (1x)4-pin floppy (1x)6+2-pin PCI Express (1x)S-ATA III (3x)
Modularity
Permanently installed
Max. noise level
29.40 dB
Item number
15743776

General information

Manufacturer
be quiet!
Category
Power Supply PC
Manufacturer no.
BN320
Release date
12/10/2021

Colour

Colour
Black
Exact colour description
Black

Power supply properties

Form factor
SFX
Efficiency
88.10%
Modularity
Permanently installed
Max. noise level
29.40 dB

Power supply connectors

Internal connection options
20+4 PIN ATX power connector (1x)4-pin CPU (1x)4-pin floppy (1x)6+2-pin PCI Express (1x)S-ATA III (3x)

Cooling properties

Number of fans
1x
Fan diameter
80 mm
LED colour
without LED

Safety

Power protection features
EIAOCPOPPOTPOVPSCP

Power supply

Power
300 W

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
Cable

Product dimensions

Length
10 cm
Width
12.50 cm
Height
6.40 cm
Weight
840 g

Legal Notice

Product Safety

Package dimensions

Length
21 cm
Width
20 cm
Height
8 cm
Weight
1.21 kg

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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!
    0,9 %
  • 2.Corsair
    0,9 %
  • 4.Fortron
    1 %
  • 5.Deepcool
    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
  • 10.Lian-Li
    3 days
  • 10.NZXT
    3 days
  • 12.be quiet!
    4 days
  • 13.ASUS
    6 days
  • 13.Seasonic
    6 days

Return rate

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

Source: Galaxus
  • 2.MSI
    3,4 %
  • 3.Noctua
    3,6 %
  • 4.be quiet!
    3,7 %
  • 5.Enermax
    3,8 %
  • 5.Gigabyte
    3,8 %
Source: Galaxus