MSI MAG A550BN 550 W 80+ Bronze
MSI
Power Supply

MSI MAG A550BN 550 W 80+ Bronze

Key Features

Reliable Performance Affordable Price
MSRP: $59
Amazon

Technical Specifications

Manufacturer
MSI
MSRP
$59
Type
ATX
Wattage
550 W
Efficiency Rating
80 PLUS Bronze
Modular
No
Color
Black
Fanless
No
Dimensions
140mm x 150mm x 86mm
Length
140 mm
Connectors
Atx 4 Pin: 0 • Eps 8 Pin: 1 • Pcie 16 Pin 12Vhpwr: 0 • Pcie 12 Pin: 0 • Pcie 8 Pin: 0 • Pcie 6 Plus 2 Pin: 2 • Pcie 6 Pin: 0 • Sata: 5 • Amp Molex 4 Pin: 2
Release Year
2024

Pros & Cons

Pros

  • Sufficient 550W capacity for budget to mid-range gaming systems
  • Reputable brand with decent build quality and support
  • Standard ATX size fits most cases with good availability
  • Good value with competitive pricing per watt
  • Typically includes comprehensive warranty coverage

Cons

  • Lacks PCIe 5.0 connector despite recent release date
  • Non-modular design creates cable management challenges
  • Unused cables must be tucked away, impacting airflow
  • Limited 550W headroom for high-end GPU upgrades

Community Insights

  • Many users note that the MAG A550BN is a solid choice for budget or entry-level systems. It is often recommended for basic gaming or office PCs that don’t require high wattage, with most users reporting reliable performance for mainstream components.
  • A common point of discussion is the non-modular cable setup. Several users mention that managing unused cables can be tricky, especially in compact cases. This is seen as a reasonable trade-off given the power supply’s affordability.

Frequently Asked Questions

Is the MSI MAG A550BN 550W enough for a build with a Ryzen 5 and GTX 1660?
Yes, this power supply provides sufficient wattage and reliable power delivery for mid-tier CPUs and GPUs like the Ryzen 5 and GTX 1660, making it well-suited for such builds.
What warranty does the MSI MAG A550BN come with?
The MAG A550BN typically comes with a 5-year warranty, which is considered good for a budget-friendly power supply and gives users added confidence in its reliability.

Performance Guide & Use Cases

Best For
Budget to mid-range gaming systems (550W)
Standard ATX builds and mainstream systems
Potential Bottlenecks
Limited 550W may restrict high-end GPU upgrades
Insufficient power for RTX 4070+ or RX 7800 XT+ graphics cards
No PCIe 5.0 support limits newest GPU compatibility
Overkill Scenarios
Basic web browsing and document editing systems
Media streaming and light productivity tasks
Avoid For
High-end gaming with RTX 4070+ or RX 7800 XT+ GPUs (550W)
Multi-GPU configurations and extreme overclocking (550W)
Next-generation GPUs requiring PCIe 5.0 connectors
Multi-GPU configurations and high-end workstations (2 PCIe)
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