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be quiet!

be quiet!
System Power B9 80 PLUS Bronze Netzteil - 350 Watt

  • Quiet & efficient PSU with fantastic price-to-performance
  • Two powerful 12V rails
  • Quiet 120mm fan
  • 80 PLUS certification & 1 PCIe connector


On Order


Item number: NEBE-181

EAN: 4260052185995

MPN: BN207

Manufacturer: be quiet!


Product information - System Power B9 80 PLUS Bronze Netzteil - 350 Watt

Be quiet! power supplies are designed to produce as little noise as possible during operation, fantastic build quality, high efficiency as well as the greatest possible safety and reliability. Thanks to these design choices be quiet! has become one of the most popular brands in this segment. The System Power B9 Series is no exception in this respect. With its excellent price-to-performance, high efficiency and quality craftsmanship, these compact power supplies are directed primarily at system integrators and price conscious system builders.

The be quiet! System Power B9 at a Glance:

  • Fantastic value
  • Practical bulk-purchase packaging
  • Quiet, temperature-regulated, quality 120 mm fan
  • Stand-by usage of less than 0,13 Watts
  • Extensive electrical protection

The be quiet! System Power B9 in Detail:

These robustly designed power supplies offer a low build depth of just 14 cm, making them compatible with older and smaller cases. A 120 mm fan that adjusts in accordance with the load. At low loads of around 20 percent, the power supply produces just 11,6 dB(A) noise so as to be virtually silent.

Thanks to the extensive use of efficient and power-saving circuitry, power consumption and heat are minimised. Standby power use amounts to just 0,13 Watts. At a load of 20, 50 and 100 percent the power supply reaches a power effectiveness of up to 87 percent. For this the PSU was awarded with 80 PLUS certification.

With its 300 Watt rating, this power supply is ideal for multimedia and office PCs. In addition to the stable 3,3 V- and 5 V rails, two 12 V rails offer 18 and 14 A to produce a total of 276 Watts. Modern multicore CPUs and peripherals will be supplied with all the power they are likely to need.

The role of supplying this power falls to the extensive range of connectors. To this end, the power supply comes with a 20+4-pin- and a 4-pin ATX connector for the motherboard. Four SATA- and two Molex connectors supply peripherals' power. All cables are securely fastened to the power supply.

Also worthy of note is the generous 3 year manufacturer's guarantee on offer as well as the availability of all necessary electrical protections e.g. over- and undervoltage protection, short circuits, overheating and overload protection.

Note: Neutral packaging with power cable - comes without additional accessories.

Technical Details:
  • Dimensions: 150 x 86 x 140 mm (W x H x D)
  • Fan: 120 mm
  • Efficiency: 89 % incl. 80 PLUS certification
  • Active PFC
  • Form Factor: ATX12V
  • Performance: 300 W
    +3,3V: 17 A
    +5V: 15 A
    3,3V+5V: 103 W
    +12V1: 18 A
    +12V2: 14 A
    +12V (total): 276 W
    -12V: 0,3 A (3,6 W)
    +5Vsb: 2,5 A (12,5 W)
  • Ports:
    1x 20+4-Pin (ATX12V)
    1x 4-Pin (ATX12V)
    4x SATA
    2x 4-Pin Molex
    Cable Length: 45 - 85 cm

Further links for "System Power B9 80 PLUS Bronze Netzteil - 350 Watt"

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Technical Details

PSU formfactor ATX
Power category 300 to 360 Watt
DC output (accurate) 350 Watt
12V power 276 Watt
12V Rail distribution Multi Rail
modular no
semi-passiv no
CPU power supply 1x 4-Pin
4-Pin connectors 2x
SATA connectors 4x
PSU fan 120 mm
Illumination no
Colour silver
Depth 14 cm
Case fan controller no
Software Interface (digital) no
Efficiency 80Plus 80 PLUS Bronze

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