Cooler Master eXtreme Power Plus 550W ATX PC Power Supply Boxed

Brand New in the Box. Old Stock.

Highlights

• 550W Continuous Power Output: Dual +12V rail design (+12V1 and +12V2) delivering reliable power distribution for gaming desktops and workstation PCs.

• 120mm Silent Cooling Fan: Intelligent thermal management fan for quiet operation and efficient heat dissipation under load.

• Comprehensive Safety Protections: Built-in Over Voltage Protection (OVP), Over Power Protection (OPP), and Short Circuit Protection (SCP).

• Complete Boxed Set: Comes complete in its original retail packaging with an included standard 3-pin AC power cable.

  
  

  Overview: Up for sale is a original Cooler Master eXtreme Power Plus 550W ATX Power Supply Unit (Model: RS-550-PCAR-E3) in its original retail packaging. Known for solid build quality and steady power delivery, this unit is ideal for budget PC builds, office desktop replacements, or classic gaming rig restorations.

  Technical Details & Specs:

  • Brand: Cooler Master

  • Model: RS-550-PCAR-E3 (eXtreme Power Plus 550W)

  • Form Factor: Intel Standard ATX 12V V2.3

  • Max Output Power: 550 Watts

  • AC Input: 110-115V / 220-230V (Manual Voltage Selector Switch)

  • DC Output Ratings:

    • +3.3V @ 25A

    • +5V @ 25A

    • +12V1 @ 16A

    • +12V2 @ 16A

    • -12V @ 0.8A

    • +5VSB @ 2.5A

  • Cooling: Ultra-quiet 120mm intake fan

  • Efficiency: >70% typical load efficiency

  • Safety Protections: OVP / OPP / SCP

  Physical & Operational Condition:

  • Power Supply Unit: Pre-owned and clean. Black powder-coated metal housing retains crisp original specification stickers (OK / HI-POT TEST OK / GROUND TEST OK verification labels intact).

  • Cabling: Fixed black multi-sleeved harness with all original connectors intact (24-pin ATX, CPU power, PCIe graphics power, SATA, and peripheral Molex connectors).

  • Packaging Condition: Original box is fully intact, providing secure storage and transport protection.

  Included Accessories:

  • Cooler Master 550W ATX Power Supply

  • Standard AC Power Cable (South African 3-pin plug)

  • Original Retail Box

    
    

  • Packaging: Packed securely inside its original box with internal bubble protection and encased in an outer transit wrapper to ensure safe arrival.

  • Sales Terms: Sold as a tested, working pre-owned unit as shown in original photographs. Dispatched promptly upon confirmation of payment.