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MAG A550BN

MSI MAG A550BN 550W 80+ Bronze rated Power Supply unit

MSI - MSI MAG A550BN 550W 80+ Bronze rated Power Supply unit, 120mm low noise fan, Active PFC design, ATX PSU form factor, 1x 20+4 pin ATX, 1x 4+4 pin EPS, 2x 6+2 pin PCI-e, 5x SATA, 2x Peripheral molex, 1x FDD
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Prices, images and descriptions are for reference purposes only & may change without prior notice. PLEASE RELY ON ABOVE DESCRIPTIONS AND NOT ON IMAGES. MAG A550BN MSI MAG A550BN 550W 80+ Bronze rated Power Supply unit is available from MSI Laptops and it is sold as new from our Power supply unit / PC PSU range of products. For reference purposes, the price of R914 is valid 2025-12-11, and while stocks last, may be valid until . The price displayed is a guide for reference purposes only, and may change without prior notice. Reference prices are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. A quote with final pricing is sent before a purchase can be made. T&C's apply. E&OE. Laptop Direct. You are looking at products found in the Power supply unit / PC PSU category.
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Specification for the entire series

Important information: Kindly note that specifications differ between models. Features, options and accessories displayed below this paragraph are not included with this product unless it has been specified in the above description.


Please remember these important points when reading the information below this paragraph: Operating systems cannot be removed or changed, monitors are not included with computers, free Anti-virus and Office Software are trial versions or may have limited features and an additional license needs to be purchased to activate the full product.

MAG A550BN

MSI MAG A550BN 550W 80+ Bronze rated Power Supply unit

MSI MAG A550BN 550W 80+ Bronze rated Power Supply unit, 120mm low noise fan, Active PFC design, ATX PSU form factor, 1x 20+4 pin ATX, 1x 4+4 pin EPS, 2x 6+2 pin PCI-e, 5x SATA, 2x Peripheral molex, 1x FDD

Overview Summary:

The MSI MAG A550BN 550W 80 Plus Bronze power supply is a dependable choice for PC builders and gamers in South Africa who want efficiency and reliability. With quiet 120mm cooling, strong safety protections, and stable DC-DC circuit design, it ensures smooth performance and long-lasting durability. Buy now to power your system with confidence.

This ATX power supply delivers up to 85% efficiency while reducing noise and energy consumption. Its multiple connectors make it ideal for gaming PCs and custom builds. Shop now and enjoy safe, stable, and efficient power delivery for your setup.

What tier does this fall into?

Entry-level gaming PSU

What is this best for?

Gaming PCs, office desktops, DIY builds, multimedia systems, general computing

Overview:

MSI MAG A550BN 550W Power Supply - 80 Plus Bronze Certified
The MSI MAG A550BN 550W is an entry-level ATX power supply designed to deliver reliable performance with excellent efficiency. Built with an active PFC design, low-noise cooling, and comprehensive safety protections, it provides gamers and PC builders with a solid foundation for smooth system operation.

Description:

This 550W 80 Plus Bronze power supply offers optimized efficiency, a quiet 120mm cooling fan, and industrial-grade protections to ensure system stability. With multiple connectors including PCI-e, SATA, and peripheral options, it supports modern gaming and DIY builds while maintaining low power consumption and dependable output.

Features:

Key Highlights

  • 80 Plus Bronze certification
  • 120mm low noise cooling fan
  • OVP, OCP, OPP, OTP, SCP safety protections
  • DC-DC circuit design for stable output
  • Active PFC power efficiency

Reliable Entry-Level Power Supply
The MAG A550BN is built for gamers and DIY enthusiasts seeking a safe and dependable power option. With its energy efficiency, quiet cooling, and single-rail 12V design, it ensures smooth power delivery and stable system performance. Ideal for beginners, it requires no complicated setup after installation.

Energy Efficiency with 80 Plus Bronze
Efficiency plays a key role in system stability and energy savings. The 80 Plus Bronze certification guarantees lower power consumption and improved performance, reducing wasted energy during operation.

Silent Cooling with 120mm Fan
Equipped with a sleeve-bearing 120mm fan, the unit delivers effective heat dissipation while minimizing noise, keeping your system cool without unnecessary sound.

Stable Power with DC-DC Circuit Design
The DC-DC circuit architecture enhances voltage regulation and reduces power fluctuations. This ensures consistent performance, particularly under demanding workloads.

Full Protection for Safe Operation
The MSI MAG A550BN comes with OCP, OVP, SCP, OPP, and OTP protection mechanisms. These safeguards defend your system from overcurrent, overvoltage, short circuits, power overloads, and overheating.

Technical
Specifications:

  • Wattage: 550W
  • Certification: 80 Plus Bronze
  • Form Factor: ATX
  • Fan: 120mm low-noise
  • Connectors:
    • 1x 20+4 pin ATX
    • 1x 4+4 pin EPS
    • 2x 6+2 pin PCI-e
    • 5x SATA
    • 2x Peripheral Molex
    • 1x FDD


Specifications:

© 2025 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specificationsspacer
Product CodeMAG A550BNspacer
PRODUCT NAME MAG A550BN
POWER WATT 550W
INPUT VOLTAGE 100-240Vac
INPUT CURRENT 115Vac/8.0A max. 230Vac/4.0A max.
INPUT FREQUENCY 50Hz ~ 60Hz
EFFICIENCY Up to 85% (80 Plus Bronze)
PSU FORM FACTOR ATX
FAN SIZE 120 mm
DIMENSION 150mm x140mm x86mm
PFC TYPE Active PFC
PROTECTION OCP / OVP / OPP / OTP / SCP
ATX(20+4 PIN) 1
EPS(4+4 PIN) 1
PCI-E(6+2 PIN) 2
SATA 5
MOLEX(PERIPHERAL) 2
FDD 1

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