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  • be quiet! Dark Power Pro 11 power supply unit 550 W 20+4 pin ATX ATX Black

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    be quiet! Dark Power Pro 11 power supply unit 550 W 20+4 pin ATX ATX
    be quiet! Dark Power Pro 11 power supply unit 550 W 20+4 pin ATX ATX

    be quiet! Dark Power Pro 11 power supply unit 550 W 20+4 pin ATX ATX Black

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    Feefo logobe quiet! Dark Power Pro 11 power supply unit 550 W 20+4 pin ATX ATX Reviews

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    Dark Power Pro 11 550W is certified with 80PLUS ® Platinum and an energy efficiency rating of up to 94%. This provides lots of benefits for your high-end system, including less power consumption and an overall cooler and quieter operation. The standby drain is below 0.13 watts.


    The decoupled be quiet! Silent Wings 3 135mm fan provides virtually inaudible operation. This is thanks to its unique, airflow-optimized fan blade design along with an advanced fluid-dynamic bearing and 6-pole fan motor for less vibration, super-long life and minimal power consumption.


    The fan inlet of the Dark Power Pro 11 550W is funnel shaped. This causes an increased throughput of air, which results in higher cooling performance.


    Dark Power Pro 11 550W is particularly suitable for overclocking, thanks to its strong and stable 12V-rails. The overclocking key empowers you with full control for overclocking by manual switching between the default four 12V-rail mode and the alternative massive single-rail operation.


    Dark Power Pro 11 offers 550W of continuous power with four independent 12V-rails for excellent signal stability and five PCI express connectors for multi-GPU systems. Up to four case fans can be connected to, and regulated by the PSU.


    The maximum utility afforded by extra-long sleeved cables of up to 120cm and modular cable management simplifies component installation and reduces annoying clutter. This succeeds in increasing the airflow and improving the cooling in even the largest PC cases.


    Experience the most technologically advanced power supply be quiet! has ever built! Using LLC and Synchronous Rectifier (SR) technology it provides unmatched signal stability and unbeatable power efficiency. It is also equipped with DC-to-DC conversion for tight voltage regulation, even under heavy cross-loading conditions. This ensures reliable operation for the next generation of processors and graphics cards.


    Only the best components are used in Dark Power Pro 11 550W. That is why we have built exclusively high-quality Japanese capacitors into the PSU chassis. They are rated to 105°C which ensures stability, reliability and a long operating life.
    General Information

    General Information for Be Quiet

    be quiet! Dark Power Pro 11, 550 W, 100 - 240 V, 610 W, 50 - 60 Hz, 7 A, +5Vsb,+12V1,-12V,+12V2,+3.3V,+12V3,+12V4,+5V

    Be Quiet! Dark Power Pro 11 550W Psu

    Legendary Silence, Cutting Edge Performance

    It Is A Fact Of The Modern World That High Technology Requires Constant Refinement And Unending Improvement &Mdash; And That Is Even Truer For Those Who Would Be Leaders. Dark Power Pro Power Supplies Are Renowned As The World’S Quietest And Most Efficient High-Performance Psus. The Dark Power Pro 11 550W Model Takes That A Step Further With A Power Conversion Topology That Delivers 80Plus Platinum Performance, Add To That An Unparalleled Array Of Enhancements That Augment This Unit’S Compatibility, Convenience Of Use, Reliability, And Safety, And The Result Is The Most Technologically-Advanced Power Supply Be Quiet! Has Ever Built.
    • 80Plus Platinum Certification And Up To 94% Power Conversion Efficiency
    • Virtually Inaudible Operation Thanks To A Broad Array Of Optimizations, Including The Use Of A Be Quiet! Silentwings 3 135Mm Fan
    • Silentwings 3 Fan Features An Advanced Fan Frame, An Airflow-Optimized Fan Blade, Fluid-Dynamic Bearing With Copper Core And A High-Quality 6-Pole Motor For Less Vibration
    • The Funnel-Shaped Fan Opening Of The Psu Case Is Significant Big And Allows High Airflow Intake
    • 550 Watts Of Continuous Power Provide Intensive Power Reserves For Demanding Computing Applications
    • Overclocking Key Allows Switchover Between Quadruple Independent 12V-Rail Mode And High-Performance Single-Rail Operation
    • Nvidia Sli Ready And Amd Crossfirex Certifications Allow You To Build Powerful Multi-Gpu Systems With Confidence
    • Cable Management With Extra Long Cable Reach Simplifies Component Installation And Reduces Annoying Clutter, Increasing Airflow And Improving Cooling In Even The Largest Pc Cases
    • Product Conception, Design And Quality Control In Germany

    • Advanced, High-Resolution Gaming And Multimedia Systems
    • Overclocked Systems
    • Multi-Gpu Workstations For 3D Graphics, Photo Editing, Video Editing
    • Any Application That Requires High Power With Superior Quietness
    Energy Efficiency
    • 80Plus Platinum Certification With Up To 94% Efficiency
    • Saving Power Means Saving Money, But It Also Mean Less Waste Heat, Less Cooling Required, And Overall Quieter Operation
    • Standby Drain Less Than 0.10Watts
    • Meets Energy Star 6.0 Guidelines
    • Fulfills The Erp 2014 Guidelines
    • Zero Load Design Supports Intel’S Deep Power Down C6 And C7 (Haswell) Modes
    Virtually Inaudible Operation
    • Installed Silentwings 3 135Mm Fan Includes A Wide Array Of Electronic And Mechanical Optimizations For Best-Of-Class Airflow With Very Low Noise Production, Including:
    - Unique Airflow-Optimized Fan Blade Design Reduces Noise-Generating Fan Turbulence
    - Advanced Fluid Dynamic Bearing With Copper Core Provides For Greatly Reduced Operating Noise And Super-Long Life
    - 6-Pole Fan Motor Smoothes Operation Even At Very Low Speeds
    - High Quality Ic Motor Controller Reduces Electrical Noise
    • Psu Case Has A Large Funnel-Shaped Fan Opening That Facilitates High Airflow Intake
    • Silentwings 3 Fan Is Decoupled From The Psu Body With Special Rubberized Ring Mount, Reducing Transmission Of Vibration And Noise
    • Dual-Layer Psu Housing With Rubberized Sleeve Isolates Your Chassis From Psu Noise And Vibration, Further Enhancing Silence
    • Optimized Psu Airflow Generates Superior Cooling At Lower Fan Speeds, Reducing Turbulence And Allowing Even Quieter Operation
    • Variable Fan Speed Is Optimally Governed To Strike The Best Balance Between Proper Cooling And Deep Quietness
    • Up To Four Case Fans Can Be Connected To, And Regulated By The Psu, Thus Reducing Overall System Noise Even Further
    • Advanced Full Bridge, Llc, Synchronous Rectifier (Sr) And Dc-To-Dc Power Conversion Circuitry Design Supports Unmatched Signal Stability And Unbeatable Power Efficiency
    • Overclocking Key Allows You To Choose Between Multi-Rail Operation With Four Independent 12V-Rails And High-Performance Single-Rail Operation
    • Premiere-Quality Japanese Capacitors Rated To 105°C For Maximum Reliability And Operating Life
    • Increased Output Of 12V Capacitors To Minimize Feedback Sounds Of Graphics Cards
    • Top Protection For Components Against Over-Currents, Over- And Under-Voltages, Short Circuits, Overheating, Overloads And Voltage Surges On Input Side
    • Long Service Life Up To 100,000 Hours; Full Performance During 24/7 Operation
    Maximum Compatibility And Convenience
    • Supports The Latest Intel And Amd Processors
    • Compatible With Atx12v 2.4 And Eps12v 2.92 Standards
    • Professional Modular Cable Management System With Removable Cable Bundles Simplifies Component Installation, Reduces Annoying Clutter, Increases Airflow And Allows For Improved Cooling
    • Cable Management With 2X P8 Connector For Better Voltage Stability For The Cpu
    • System Supports Up To 33 Connectors For Massive System Builds
    • Connectors Are Compatible With Older Components As Well As Those Still On The Drawing Board
    • Sleeved Cable Lengths Up To 120Cm Are Perfect For Large Pc Cases And Allow For Improved Cooling In Any Size Case
    • Individual P4 And P8 Plugs Support All Common Mainboard Types
    • Nine Pcie Connectors For Powerful Multi-Gpu Configurations (Nvidia Sli And Amd Crossfirex) Up To Quad-Gpu
    • Clearly Labeled Plugs And Clever Accessories Promote Simple Installation
    Outstanding Service And Support
    • 5-Year Manufacturer'S Warranty
    • Quick Support Is Available Via Our International Hotline, Mondays To Fridays From 9:00Am To 5:30Pm Cet : (0) 40-736 76 86 &Ndash; 98

    Manufacturer Supplied Images
    Please note, these images are supplied by the manufacturer and are for illustration purposes only.

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    Best Sellers Rank

    #98 in PSU

    Supplied With
    • 100% Genuine Product
    • Quzo 28 Day Returns Policy - T&C Apply
    • All Official Packaging
    • All Applicable Guarantee(s)
    • Instruction Manuals and Documentation (where applicable)
    • Email when item is despatched.
    Popular Related Products

    Dark Power Pro 11

    Further details for this product, Dark Power Pro 11, 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.

    DARK POWER PRO 11 550W - ATX 2.4, EPS 2.92, 135mm, FDB

    be quiet! Dark Power Pro 11. Total power: 550 W, AC input voltage: 100 - 240 V, Peak power: 610 W. Motherboard power connector: 20+4 pin ATX, Cabling type: Semi-Modular. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Platinum. Product colour: Black, Cooling type: Active, Fan diameter: 13.5 cm. Width: 180 mm, Depth: 150 mm, Height: 86 mm

    Warranty information: 5 Years

    Initial Release Date: 28/08/2015

    Product Specification

    be quiet! Dark Power Pro 11 power supply unit 550 W 20+4 pin ATX ATX Black Specifications

    Weight (approx)
    Product TypePSU
    Technical details
    Product colour
    Fan diameter13.5 cm
    Form FactorATX
    Cooling typeActive
    Number of fans1 fan(s)
    Fan speed1200
    Fan locationTop
    On/off switchY
    Cable managementN
    Response Time
    Ports & interfaces
    Motherboard power connector
    20+4 pin ATX
    Number of SATA power connectors8
    PCI Express power connectors (6+2 pin)4
    CPU power connector (4+4 pin)Y
    ATX power connector (20+4 pin)Y
    Floppy drive power connector1
    Floppy disk drive connectorY
    CPU power connectors (8-pin)1
    Cabling typeModular
    Total power
    550 W
    Input current7 A
    Maximum input current (@110V)+5Vsb,+12V1,-12V,+12V2,+3.3V,+12V3,+12V4,+5V
    Power factor0.99
    Power Factor Correction (PFC) typeActive
    Combined power (+3.3V)140 W
    Combined power (+12V)540 W
    Combined power (+5V)140 W
    Combined power (-12V)6 W
    Combined power (+5Vsb)15 W
    Max output current (+3.3V)25 A
    AC Input Voltage100 - 240 V
    Max output current (+12V)45 A
    AC input frequency50 - 60 Hz
    Max output current (+12V1)20 A
    Max output current (+12V2)20 A
    Max output current (+12V3)25 A
    Max output current (+12V4)25 A
    Max output current (+5V)22 A
    Max output current (-12V)0.5 A
    Max output current (+5Vsb)3 A
    Hold time19.4 ms
    AC Input Voltage100 - 240
    AC input frequency50/60
    Combined power (-12V)6
    Max output current (-12V)0.5
    Max output current (+5Vsb)3
    Combined power (+5Vsb)15
    Max output current (+12V2)20
    Input current7
    Combined power (+3.3V)140
    Combined power (+12V)540
    Combined power (+5V)140
    Max output current (+3.3V)25
    Max output current (+12V)45
    Max output current (+12V1)20
    Max output current (+12V3)25
    Max output current (+12V4)25
    Max output current (+5V)22
    Hold time19.4
    Weight & dimensions
    150 mm
    Width180 mm
    Height86 mm
    Weight2.02 kg
    Internal I/O
    Peripheral (Molex) power connectors (4-pin)
    PCI Express power connectors (6-pin)1
    Input device
    Overheat protection
    Power supply unit (PSU) form factor
    Peak power610 W
    80 PLUS certification80 PLUS Platinum
    ATX version2.4
    EPS version2.92
    Noise level (silent mode, <30%)8.7 dB
    Noise level (quiet mode, 50%)8.9 dB
    Noise level (full-load mode, 100%)10.1 dB
    Mean time between failures (MTBF)180000 h
    Peak power610
    Noise level (silent mode, <30%)8.7
    Noise level (quiet mode, 50%)8.9
    Noise level (full-load mode, 100%)10.1
    Mean time between failures (MTBF)180000
    Noise level
    10.1 dB
    Power protection featuresOverheating,Under voltage,Over current,Over power,Over voltage,Short circuit
    Noise level10.1
    Power protection featuresOverheating, Under voltage, Over current, Over power, Over voltage, Short circuit
    Energy Star certified
    CertificationCE, CB, TV, FCC, cTUVus, RCM (Australia), CU (Russia)
    RoHS complianceY
    Packaging data
    Warranty card
    Package width348 mm
    Package depth272 mm
    Package height118 mm
    Package weight3.37 kg
    Package TypeBox
    Gaming PlatformsPC Platform
    Colour of productBlack
    Returns & Exchanges

    28 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 28 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

    Questions and Answers
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    be quiet! Dark Power Pro 11 power supply unit 550 W 20+4 pin ATX ATX Black Reviews

    Contact Details
    • Quzo
    • Kemp House, 158 City Road
    • London
    • EC1V 2NX
    • United Kingdom

    • VAT Number: ​ 267 7554 58