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Corsair RMx Series RM550x 80 PLUS Gold Fully Modular ATX PSU

  • 80 Plus Gold
  • Low Noise Operation
  • Fully Modular
  • 100% All Japanese 105c Capacitors
  • 10 Year Warranty

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QuickFind: 856936

Mfr part code: CP-9020177-UK

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    Corsair RMx Series RM550x 80 PLUS Gold Fully Modular ATX PSU Product Description

    CORSAIR RM550x series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. Using only Japanese 105°C capacitors, users can depend on an RM550x PSUs' long life and reliability, backed by a ten-year warranty. Zero RPM Mode means an RM550x series PSU is virtually silent at low and medium loads, and even at maximum power, a low noise fan ensures quiet operation. Fully modular cables make PC builds and upgrades easy, as you only need to install the cables your system requires. Quiet, efficient and dependable, an RM550x PSU has everything you need to power your high-performance PC for years to come.



    • 80 PLUS Gold certified for lower power consumption, less noise and cooler temperatures.
    • Tuned for low noise operation even at full load.
    • Zero RPM fan mode for near-silent operation at low to medium loads.
    • 100% industrial-grade, 105°C rated Japanese capacitors ensure unwavering power and reliability.
    • Ten-year warranty for complete peace of mind.
    • Fully Modular Cables



    • Ability to toggle singlemultiple 12V rails No
    • ATX12V Version v2.4
    • Continuous output rated temperature C 50°C
    • Continuous power W 550 Watts
    • Fan bearing technology Rifle Bearing
    • Fan size mm 140mm
    • MTBF hours 100;000 hours
    • Multi-GPU ready No
    • Warranty Ten years
    • 80 PLUS Efficiency Gold
    • PSU Form Factor ATX
    • Zero RPM Mode Yes
    • Cable Type Low-Profile, All Black
    • Dimensions 150mm x 86mm x 160mm



    • ATX Connector 1
    • EPS Connector 1
    • Floppy Connector 1
    • Modular Fully
    • PCI-E Connector 2
    • SATA Connector 6

    Technical Specifications


    Device Type Power supply - internal
    Specification Compliance ATX12V 2.4/ EPS12V 2.92
    PSU Form Factor ATX
    Localisation United Kingdom

    Power Device

    Input Voltage AC 100-240 V
    Frequency Required 47 - 63 Hz
    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 ¦ 4 x 4 PIN internal power ¦ 6 x 15 pin Serial ATA power ¦ 2 x 8 pin PCI Express power with detachable 2 pin section
    Output Voltage +3.3, +5, ±12 V
    Power Capacity 550 Watt
    Output Current +3.3V - 25 A ¦ +5V - 25 A ¦ +12V - 45.8 A ¦ -12V - 0.8 A ¦ +5VSB - 3 A
    Efficiency 90%
    Modular Cable Management Yes
    80 PLUS Certification 80 PLUS Gold


    Included Accessories Screws, case badge, 100mm floppy adapter, cable ties, cable bag
    Cables Included Power cable kit
    MTBF 100,000 hours
    Cooling System 140 mm fan
    Features Over voltage protection, overpower protection, undervoltage protection, short-circuit protection, temperature controlled fan, Zero RPM fan mode, rifle bearing cooling fan, fully modular

    Manufacturer Warranty

    Service & Support Limited warranty - 10 years

    Dimensions & Weight

    Width 15 cm
    Depth 16 cm
    Height 8.6 cm

    Corsair RMx Series RM550x 80 PLUS Gold Fully Modular ATX PSU Ask an owner

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