be quiet! Straight Power 11 Gold

750 W
322Ratings
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Product details

The Straight Power 11 sets new standards for whisper-quiet systems without compromising on power supply performance. In developing this series generation, the German be quiet! team placed special emphasis on noise-optimized features and high-quality components. All of this makes the Straight Power 11 series quieter than ever before and the best choice for building new systems or upgrading existing ones. Straight Power 11 is the top choice among premium power supplies.

Nearly inaudible SilentWings 3 135 mm fan. The funnel-shaped air intake on the power supply housing increases airflow. A cable-free design on the DC side of the power supply enhances cooling and longevity. Fully modular cable management for maximum flexibility. 80PLUS Gold efficiency of up to 93%. Two PCI-Express connectors for powerful multi-GPU systems. Japanese 105 °C capacitors ensure stable, reliable operation. Complies with ErP and Energy Star 6.1 guidelines. Five-year manufacturer's warranty. Product conception, design, and quality control in Germany.

Key specifications

Form factor
ATX
ATX version
2.4
80 PLUS certificate
Gold
Modularity
Modular cable management
Max. noise level
21.23 dB
Internal connections
15-pin S-ATA (11x), 20+4 PIN ATX power connector (1x), 3-pin (3x), 4-pin floppy (1x), 4-pin Molex (4x), 4+4-pin 12V (1x), 6+2-pin PCI Express (4x), 8-pin EPS (1x)
Power protection features
EIA, OCP, OPP, OTP, OVP, SCP

General information

Item number
7478791
Manufacturer
be quiet!
Category
Power Supply PC
Manufacturer No.
BN283
Release date
13.3.2018
Sales rank in Category Power Supply PC
78 of 2915
External links
Manufacturer's site (de)
May include power adapter
Yes

Colour

Colour
Black
Exact colour description
Black

Power supply properties

Form factor
ATX
ATX version
2.4
Efficiency
92%
80 PLUS certificate
Gold
Modularity
Modular cable management
Max. noise level
21.23 dB

Power supply connectors

Internal connections
15-pin S-ATA (11x), 20+4 PIN ATX power connector (1x), 3-pin (3x), 4-pin floppy (1x), 4-pin Molex (4x), 4+4-pin 12V (1x), 6+2-pin PCI Express (4x), 8-pin EPS (1x)

Cooling properties

Cooling method
Active cooling
Number of fans
1x
Fan diameter
135 mm
LED lighting
without LED

Safety

Power protection features
EIA, OCP, OPP, OTP, OVP, SCP

Mains supply properties

Power
750 W

Origin

Country of origin
China

Scope of delivery

Scope of delivery
Power cable - 1.5 m

Product dimensions

Length
17 cm
Width
15 cm
Height
8.60 cm
Weight
3040 g

Package dimensions

Length
33.30 cm
Width
24.80 cm
Height
10.30 cm
Weight
3.41 kg

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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.HP
    0.2 %
  • 2.Corsair
    0.9 %
  • 3.be quiet!
    1 %
  • 3.Silverstone
    1 %
  • 5.Fortron
    1.1 %

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
  • 12.ASUS
    3 days
  • 13.NZXT
    4 days
  • 13.Seasonic
    4 days
  • 15.be quiet!
    7 days
  • 16.Cooler Master
    11 days

Return rate

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

Source: Digitec Galaxus
  • 1.Cooler Master
    2.3 %
  • 2.be quiet!
    3.6 %
  • 3.MSI
    3.7 %
  • 4.Seasonic
    3.9 %
  • 5.Gigabyte
    4.1 %
Source: Digitec Galaxus