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MSI MAG A550BN 550W ATX Power Supply Unit – MAGA550BN

MSI MAG A550BN 550W ATX Power Supply Unit – MAGA550BN

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Description

MSI MAG A550BN 550W ATX Power Supply

This is a MSI MAG A550BN 550W Power Supply, a reliable ATX12V/EPS12V compliant power supply unit designed for desktop PC systems. It delivers stable power with 85% efficiency, a single +12V rail, and universal AC input support. MPN: MAGA550BN; UPC: 824142258392. Manufacturer: MSI.

Key Features of MSI MAG A550BN 550W PSU

  • 550W Power Capacity – Provides ample power for mid-range gaming and productivity builds.
  • 85% Efficiency – Ensures energy-efficient operation under typical loads.
  • ATX12V/EPS12V Compliance – Meets standard form factor and connector specifications for broad motherboard compatibility.
  • Single +12V Rail – Delivers up to 45.5A on the primary rail for consistent performance with modern components.
  • Single Fan Cooling – Equipped with one fan for effective thermal management.
  • Universal Input Voltage – Supports 120 V AC and 230 V AC for global use.
  • Multiple Output Rails – Includes +3.3V @ 20A, +5V @ 20A, +12V @ 45.5A, -12V @ 0.3A, and +5VSB @ 2.5A.

Comprehensive Technical Specifications

Specification Details
Brand MSI
Manufacturer MSI
Model MAG A550BN
Product Name MAG A550BN 550W Power Supply
Product Type Power Supply
MPN / Manufacturer Part Number MAGA550BN
UPC 824142258392
Total Power Output 550W
Efficiency 85%
Specification Compliance ATX12V/EPS12V
Number of Fans 1
Number of +12V Rails 1
Input Voltage 120 V AC / 230 V AC
Output Voltage: +3.3 V 20 A
Output Voltage: +5 V 20 A
Output Voltage: +12 V 45.5 A
Output Voltage: -12 V 0.3 A
Output Voltage: +5 VSB 2.5 A
Product Dimensions (Height x Width x Depth) 5.9" x 5.5" x 3.4"
Weight 4.60 lbs

Installation Guide for ATX Power Supply

Standard ATX installation typically takes 10-15 minutes with basic tools. Follow PC case and motherboard manuals for precise steps.

  1. Power off and unplug the system; discharge static by touching grounded metal.
  2. Mount PSU in case using screws; ensure fan faces intake or exhaust per case airflow.
  3. Connect 24-pin ATX, EPS12V (if needed), SATA, PCIe, and peripheral cables to components.
  4. Route cables neatly; secure with ties for airflow.
  5. Test power-on outside case if possible; pro tip: Verify all connections before closing case.
  6. Maintenance: Dust fan periodically with compressed air; operate in well-ventilated area.

Why Choose MSI MAG A550BN

The MSI MAG A550BN offers dependable 550W performance with ATX standards compliance, single-rail stability, and compact dimensions suitable for most mid-tower cases.

Equip your PC build with the MSI MAG A550BN 550W Power Supply—Order now!

Brand: MSI

Type: Power Supply

Color: Black

Compatible Brand: For MSI

Model: MAG A550BN

MPN: MAGA550BN

Compatible Model: MAG A550BN

Form Factor: ATX

Cooling: 1 Fan

Voltage Compatibility: 120 V

Connectors: 24 Pin

UPC: 824142258392