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Antec 550W EA550G PRO EarthWatts Gold Pro PSU

  • 80 Plus Gold Certified
  • Fully Modular
  • 100% Japanese Capacitors
  • Whisper-quiet, high-quality fan
  • 7 Year Warranty

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QuickFind: 810565

Mfr part code: 0-761345-11615-2

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    Antec 550W EA550G PRO EarthWatts Gold Pro PSU Product Description







    The EarthWatts Gold Pro series features high performance with an 80 PLUS® GOLD rating, delivering up to 92% efficiency and reducing your electricity bill. Featuring hybrid modular cabling, a whisper-quiet 120mm fan controlled by Antec's renowned Thermal Manager, and CircuitShield™ Industrial Grade protection - all backed by our seven-year Antec Quality warranty, the EarthWatts Gold Pro series is the power supply all builders choose for a stable, quiet, and efficient system.

    - 80 PLUS® Gold

    - Advanced Hybrid Cable Management

    - Japenese Heavy-Duty Caps

    - Continuous Power

    - 7 Year Warranty



    EMI Shielding



    Japenese Heavy-Duty Caps


    12V Rail Stable Output. A server-class full-bridge LLC Design with a synchronous rectification




    99% +12V Output

    Engineered with high-quality capacitors and low-noise transformers, the EA Gold Pro series provides clean, stable power with maximum CPU and GPU compatibility.

    Advanced Hybrid Cable Management




    Compact Size

    Push your system to the limit with peace of mind

    Net Weight: 1.94Kgs

    Gross Weight: 2.92Kgs

    120mm Silence Fan

    Efficiency Chart



    • 550W Continuous Power™ - Guarenteed 650W of Continuous Power™ from Antec
    • 80 PLUS® Gold certified - Up to 92% efficient, to reduce your electricty bill
    • AQ7 - Antec Quality 7 year warranty and lifetime global 24/7 support
    • 120 mm Silence - Whisper-quiet high-quality fan with long lifetime
    • Semi-modular cable management - improves airflow and reduces clutter
    • 99% +12V - Output for maximum CPU & GPU support
    • Japenese Heavy-Duty Caps - High-performance capacitors ensure DC stability and regulation
    • 4 x PCI-E connectors for multiple GPU support
    • ATX12V 2.4 - Engineered according to the newest PSU guideline and compatible with the latest CPU generation
    • PhaseWave™ Design - A server-class full-bridge LLC design wth a synchronous rectification based on a DC-DC topology
    • ErP Lot 6: 2013 - Compliant to the toughest energy standard available
    • CircuitShield™ - Full suite of industrial grade protections: Over Current Protection (OCP), Over Voltage Protection (OVP), Short Circuit Protection (SCP), Over Power Protection (OPP), Over Temperature Protection (OTP), Under Voltage Proetction (UVP), Surge & Inrush Protection (SIP), No Load Operation (NLO)

    Technical Specifications


    Features SLI ready, Intel 4th-gen CPU (Haswell) compatible, CircuitShield, semi-modular
    Cooling System 120 mm fan
    Compliant Standards TUV, CB, CCC, FCC, RoHS, cTUVus, Energy-Related Products (ErP) Lot 6

    Dimensions & Weight

    Width 15 cm
    Depth 14 cm
    Weight 1.94 kg
    Height 8.6 cm


    Device Type Power supply - active Power Factor Correction (PFC) - internal
    Specification Compliance ATX12V 2.4/ EPS12V
    PSU Form Factor ATX
    Localisation United Kingdom

    Power Device

    Input Voltage AC 100-240 V
    Input Voltage Margin ± 10%
    Frequency Required 50 - 60 Hz ± 10%
    Power Output Connectors Details 1 x power 24 pin ATX with detachable 4 pin section ¦ 1 x power 8 pin EPS12V with detachable 4 pin ATX12V section ¦ 5 x 4 PIN internal power ¦ 2 x 8 pin PCI Express power with detachable 2 pin section ¦ 5 x 7 pin Serial ATA ¦ 1 x 4 PIN mini-power connector
    Power Capacity 550 Watt
    Output Current +5V - 20 A ¦ +3.3V - 20 A ¦ +12V1 - 42 A ¦ -12V - 0.5 A ¦ +5VSB - 3 A
    Efficiency 91%
    Modular Cable Management Yes
    80 PLUS Certification 80 PLUS Gold

    Manufacturer Warranty

    Service & Support Limited warranty - 3 years ¦ Technical support - availability: 24 hours a day / Monday-Sunday

    Environmental Parameters

    Min Operating Temperature 0 °C
    Max Operating Temperature 40 °C

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