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550W Gigabyte P550B PSU

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550W Gigabyte P550B PSU

Non-Modular | 80 PLUS Bronze
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  • 80 PLUS Bronze certified
  • 120mm Silent Hydraulic Bearing (HYB) Fan
  • Reliable flat cable
  • Single +12V rail
  • OVP/OPP/SCP/UV­P/OCP/OTP protection
  • 3 years warranty (Adjusted according to different regions)

  • 80 PLUS BRONZE CERTIFIED: 80 Plus Bronze certified ensures to deliver 85% efficiency at 50% load. The better power efficiency leads to less power waste, less heat and less fan noise.
  • Reliable Flat Cable: P550B provides the best solution for the system builds. The flat cable reduces the clutter and improves the airflow in the case.
  • 120mm Silent Hydraulic Bearing (HYB) Fan: 120mm Silent Hydraulic Bearing fan optimizes the noise reduction and the thermal performance. The fan speed is adjusted according to the automatic power detection. The Hydraulic Bearing fan provides longer and more stable life time. The life of the Hydraulic Bearing fan is more than 4 years.
  • SINGLE +12V RAIL: Single +12V rail provides the best power output, stability and compatibility for the hardware. It provides the easiest way to install the power cable. And it is the best design for overclocking.
  • PROTECTION: In order to make sure the entire computer system to operate stably under any conditions, we not only added protection designs such as OCP, OTP, OVP, OPP, UVP and SCP, but also ensured the stable operation of your system through the safety certification of various countries.

Technical Specifications:

  • Model: P550B
  • Type: Intel Form Factor ATX 12V v2.31
  • PFC: Active PFC(>0.9 typical)
  • Input Voltage: 100–240 Vac(full range)
  • Input Current: 8–4 A
  • Input Frequency: 60–50 Hz
  • Output Capacity: 550W
  • Dimension: 150 × 140 × 86 mm
  • Fan Type: 120mm Hydraulic Bearing (HYB) Fan
  • 80 PLUS: Bronze
  • Efficiency: 85% at typical load
  • MTBF: >100,000 hours
  • Protection: OVP/OPP/SCP/UV­P/OCP/OTP
  • Power Good Signal: 100–500ms
  • Hold Up Time: >16ms
  • Cable Type: Flat, All black
  • Connectors:
    • ATX/MB 20+4 Pin x 1: 550mm*1
    • CPU/EPS 4+4 Pin x 1: 600mm*1
    • PCI-e 6+2 Pin x 2: 550mm+150mm*1
    • SATA x 6: 500mm+120mm+120mm*2
    • 4 Pin Peripheral x 3 + 4-Pin floppy x 1: 500mm+120mm+1­20mm+120mm*1
Release date Australia
May 3rd, 2024
Manufacturer code:
PSU Form Factor
PSU Output Wattage (W)
Supported Motherboard Main Power Connector
  • ATX 20-pin
  • ATX 24-pin
Supported Motherboard 12V Power Connector
  • ATX12V 4-pin
  • ATX12V 8-pin
Number of PATA (Molex) Power Connectors
Number of SATA Power Connectors
Number of FDD Power Connectors
Number of PCI Express 6+2-pin Power Connectors
PSU Cabling System
PSU Efficiency Certification
  • 80 PLUS Bronze
Warranty Period
3 years
Box Dimensions (mm)
Product ID

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