• Brand: Bequiet
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  • be quiet! BN229 power supply unit 300 W 20+4 pin ATX TFX Black

    be quiet! BN229 power supply unit 300 W 20+4 pin ATX TFX Black

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    TFX Power 2 300W is certified 80 PLUS Gold with an efficiency rating of up to 91% – a truly outstanding achievement in this PSU class! The most compelling benefits: lower power consumption, lower costs, and cooler, quieter operation.


    The dual 12V rail design supports high stability as the CPU receives its power through an independent rail. For demanding peripherals like a graphics card, a PCIe connector is included. Safety protections defend against overcurrents, over- and undervoltages, short circuits and overloads, thus keeping your valuable components safe.
    General Information

    General Information for Be Quiet

    be quiet! BN229, 300 W, 110 - 240 V, 330 W, 50 - 60 Hz, 4 A, +12V1,+12V2,+3.3V,+5V,+5Vsb,-12V

    Be Quiet! 300W Psu Tfx Power 2


    Tfx Power 2 300W Gold, Our High-Efficiency Compact Psu, Gives You Much More For Your Mini Or Media Pc. Our Imperative During Its Design Was To Achieve The Maximum Possible Energy Efficiency, Power To Support A Discrete Pcie Graphics Card And Silence Without Compromising Quality Or Features.
    For Compact Pc Systems That Perform Well Beyond The Ordinary, With The Best Possible Combination Of Quietness, Features, Reliability And Super-High Efficiency, Choose Tfx Power 2 300W Gold.
    • 80Plus Gold Certification And Up To 91% Power-Conversion Efficiency Let You Use The Provided Energy More Efficiently And Reduces Your Power Bills
    • Strong Dual 12V-Rail Design Supports A Pcie Connector For Peripherals Needing More Power, Like A Pcie Graphics Card
    • 300 Watts Of Continuous Power Provide Strong Reserves To Ensure Steady Operations Even When Your Pc Meets An Unexpectedly Heavy Load
    • Product Conception, Design And Quality Control In Germany
    • Mini And Media Pc Systems
    • Classic Office And Web Browsing Applications
    • Super-High Efficiency Upgrade In Any Pc Chassis Requiring A Tfx Form Factor Psu
    Energy Efficiency
    • 80Plus Gold Certification Independently Verifies The Extremely High Operating Efficiency (Up To 91%) Of This Design
    • High Efficiency Means Cost Savings, Because Your Pc Draws Less Power From The Mains. It Also Means Less Wasted Heat, Less Cooling Required And An Overall Quieter Operation
    • Standby Drain Of Less Than 0.25 Watts
    • Meets Energy Star 5.2 Guidelines
    • Fulfills Erp 2014 Guidelines
    • Zero Load Design And Support Of Intel’S Deep Power Down C6/C7 Mode
    • Use Of The Latest Technology Ensures Premium Performance And Reliability
    • Supports The Latest Intel And Amd Cpus
    • Dual Independent 12V-Rails Improve Power Signal Stability
    • Full Suite Of Top Safety Protections Defends Against Over-Currents, Over- And Under-Voltages, Short Circuits, And Overloads, Thus Safeguarding Your Valuable Components
    Low-Noise Operation
    • An Automatically Temperature-Regulated 80Mm High-Quality Fan
    • Assured Balance Between Cooling Performance And Quiet Operation
    Highly Compatible And Convenient
    • Sleeved Cable Lengths Up To 65Cm Offer Improved Cooling And Are Perfect For Mini Pc Cases
    • Features 10 Connectors For Flexible System Builds
    • Connectors Are Compatible With Older Components As Well As Those Still On The Drawing Board
    • Pcie Connector Supports Discrete Graphics Card
    • Clearly Labeled Plugs Enable Simple Installation
    Product Conception, Design And Quality Control In Germany
    • 2-Year Warranty
    • Quick Support Is Available Via Our International Hotline,
    Mondays To Fridays From 9:00 Am To 5:30 Pm German Local Time: (0) 40-736 76 86 - 98

    Manufacturer Supplied Images
    Please note, these images are supplied by the manufacturer and are for illustration purposes only. If you have any queries about this product, please contact us and we will be happy to help.

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    #8 in PSU

    Supplied With
    • 100% Genuine Product
    • Quzo 21 Day Returns Policy - T&C Apply
    • All Official Packaging
    • All Applicable Guarantee(s)
    • Instruction Manuals and Documentation (where applicable)
    • Email when item is despatched.
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    Further details for this product, BN229, can be found at the manufacturer website. Please note, these web addresse(s) are supplied by 3rd parties, Quzo is not responsible for the content.

    TFX Power 2 300W Gold - OCP/OVP/UVP/SCP/OPP, 80mm, 16ms

    be quiet! BN229. Total power: 300 W, AC input voltage: 110 - 240 V, Peak power: 330 W. Motherboard power connector: 20+4 pin ATX. Purpose: PC, Power supply unit (PSU) form factor: TFX, 80 PLUS certification: 80 PLUS Gold. Product colour: Black, Cooling type: Active, Fan diameter: 8 cm. Width: 85 mm, Depth: 185 mm, Height: 65 mm

    Warranty information: 2 Years

    Initial Release Date: 03/02/2014

    Product Specification

    be quiet! BN229 power supply unit 300 W 20+4 pin ATX TFX Black Specifications

    Manu. Code
    Weight (approx)
    Product TypePSU
    Technical details
    Be Quiet BN229
    Product colour
    Cooling typeActive
    Number of fans1 fan(s)
    Fan diameter8 cm
    Fan speed2003
    Form FactorTFX
    Response Time
    Ports & interfaces
    Motherboard power connector
    20+4 pin ATX
    Number of SATA power connectors4
    CPU P4 connector (4-pin)1
    Floppy drive power connector1
    Floppy disk drive connectorY
    Total power
    300 W
    AC Input Voltage110 - 240 V
    Input current4 A
    Maximum input current (@110V)+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
    Power factor0.9
    Power Factor Correction (PFC) typeActive
    Combined power (+3.3V)103 W
    Combined power (+12V)264 W
    Combined power (+5V)103 W
    Combined power (-12V)3.6 W
    Combined power (+5Vsb)15 W
    Max output current (+3.3V)21 A
    AC input frequency50 - 60 Hz
    Max output current (+12V1)13 A
    Max output current (+12V2)13 A
    Max output current (+5V)15 A
    Max output current (-12V)0.3 A
    Max output current (+5Vsb)2 A
    Hold time16 ms
    AC input frequency50 - 60
    Combined power (+12V)264
    Max output current (+3.3V)21
    Input current4
    Combined power (+3.3V)103
    Combined power (+5V)103
    Combined power (-12V)3.6
    Max output current (+12V1)13
    Max output current (+12V2)13
    Max output current (-12V)0.3
    Hold time16
    AC Input Voltage110 - 240
    Combined power (+5Vsb)15
    Max output current (+5V)15
    Max output current (+5Vsb)2
    Weight & dimensions
    70 mm
    Depth170 mm
    Width85 mm
    Depth185 mm
    Height65 mm
    Weight1.2 kg
    Internal I/O
    Peripheral (Molex) power connectors (4-pin)
    Power supply unit (PSU) form factor
    Peak power330 W
    80 PLUS certification80 PLUS Gold
    Noise level (silent mode, <30%)12.7 dB
    Noise level (quiet mode, 50%)14.5 dB
    Noise level (full-load mode, 100%)26.5 dB
    Mean time between failures (MTBF)100000 h
    Peak power330
    Noise level (silent mode, <30%)12.7
    Noise level (quiet mode, 50%)14.5
    Noise level (full-load mode, 100%)26.5
    Noise level
    26.5 dB
    Power protection featuresOver current,Over power,Over voltage,Short circuit,Under voltage
    Over current, Over power, Over voltage, Short circuit, Under voltage
    Noise level26.5
    Operational conditions
    Operating temperature (T-T)
    0 - 40 C
    Energy Star certified
    CertificationCE, CB, TV
    RoHS complianceY
    Packaging data
    Warranty card
    Package width190 mm
    Package depth85 mm
    Package height159 mm
    Package weight1.5 kg
    Gaming PlatformsPC Platform
    Colour of productBlack
    Returns & Exchanges

    21 Days Return Policy

    We want you to be delighted every time you shop with us. Occasionally though, we understand that you may wish to return items.

    Items can be returned direct to us within 21 days from the day of dispatch for a refund or exchange.

    To qualify for this, the product must not have been worn, and be in brand new condition. You must return all the original packaging, instructions, guarantee and any extras.

    All technology / electrical items including but not restricted to TVs, laptops, tablets etc must be still in their original packaging with the manufacturer seals still in tact. We are unable to accept returns for products which have been opened and/or used.
    Product Questions

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    be quiet! BN229 power supply unit 300 W 20+4 pin ATX TFX Black Reviews

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    Help & Support
    Support Email:
    Sales/Support Phone
    020 365 79723

    Opening Hours
    Mon - Thursday (9:30am - 5:30pm)
    Friday (9.30am - 1.30pm)
    Closed Saturday
    Closed Sunday
    Contact Details
    • Quzo
    • Kemp House, 158 City Road
    • London
    • EC1V 2NX
    • United Kingdom

    • VAT Number: ​ 267 7554 58

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