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Be quiet! System Power 9 80 Plus Bronze Power Supply - 400 Watt [BN245]

Be quiet! System Power 9 80 Plus Bronze Power Supply - 400 Watt
Be quiet! System Power 9 80 Plus Bronze Power Supply - 400 Watt
Be quiet! System Power 9 80 Plus Bronze Power Supply - 400 Watt
Be quiet! System Power 9 80 Plus Bronze Power Supply - 400 Watt


Be quiet! power supplies are characterized by minimal operating noise, outstanding workmanship, high efficiency and maximum protection and reliability. Thanks to these features, the well-known power supply manufacturer is one of the most popular brands in this segment.

Stock, Shipping & Collection Options

  2 Available Delivery in 2-3 Days
  FREE UK/EU DELIVERY over £500+
  2 Available for Collection
MPN: BN245
EAN: 4260052186046
Warranty: 12 Months
£49.58 inc VAT
  • USD $68.90 *

* Currency conversions are based on live rates. All orders are billed in GBP


The System Power 9 series is no exception to this rule. With an outstanding price / performance ratio, excellent efficiency and high-quality workmanship, these are generally well-targeted system integrators and price-conscious system builders.

The be quiet! System Power 9 at a Glance:

    Fantastic price / performance ratio
    Stable power supply thanks to DC-DC technology
    2x 6 + 2-pin connectors for multi-GPU systems
    Quiet, high-quality, temperature-controlled 120mm fan
    Stand-by power consumption of less than 0.15 watts
    Comes complete with the most important electrical protection technology

The be quiet! System Power 9 in detail:

The discreetly designed System Power series of power supplies has a low installation depth of just 14cm, which makes them compatible with older and smaller cases. Cooling is provided by a 120mm fan with automatic speed adjustment. The power supply unit produces just 9.5 dB (A) at around 20% load, which is exceptionally quiet.

Thanks to numerous energy-saving and efficiency-enhancing measures, electricity consumption and heat generation are both very low. Even the standby consumption is low at an incredible 0.15 Watts. At loads of 20, 50 and 100% the power supply achieves efficiency of up to 89% to earn 80Plus certification.

With a 400 watt rating, this power supply is ideal for entry-level gaming systems and multimedia PCs. In addition to powerful 3.3V and 5V lines, which are very stable thanks to DC-DC technology, the two 12V lines (22 and 18A) can handle 384 Watts. Multi-core CPUs, GPUs, or RAID setups will all be supplied - perfect for any system builder.

A broad range of connections are available on this power supply. A 20 + 4-pin and a 4 + 4-pin ATX connector supply power to the motherboard. Two 6 + 2-pin connectors are available for the graphics cards. Five SATA and two Molex connectors are now offering connectivity to an extensive range of peripherals. All cables are always connected to the power supply and are sleeved.

Be quiet! So has a long-term warranty period for their power supplies as well as a range of important protections. over- and undervoltage, overcurrent, short-circuit protection, overheating and overload protection.

Technical Details:

    Dimensions: 150 x 86 x 140 mm (W x H x D)
    Fan: 120 mm
    Efficiency: 89% incl. 80Plus certification
    Active PFC
    Form Factor: ATX12V
    Performance: 400W
    + 3.3V: 24A
    + 5V: 15A
    3.3V + 5V: 103W
    + 12V1: 22A
    + 12V2: 18A
    + 12V (total): 384W
    -12V: 0.3A (3.6W)
    + 5Vsb: 3 A (15 W)
    1x 20 + 4-pin (ATX12V)
    1x 4 + 4-pin (ATX12V)
    2x 6 + 2-pin PCIe
    6x SATA
    2x 4-pin molex
    Cable Length: 55 - 91 cm


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