Product features
- 80 PLUS BRONZE CERTIFIED - An efficient power supply reduces system energy consumption & thermal loading; An 80 PLUS Bronze rating (up to 86%) is a solid foundation for standard hardware, graphics cards, and most software demands
- 12V SINGLE-RAIL DESIGN - A 12V single-rail design delivers stable output currents under heavy loading
- DC-TO-DC CIRCUIT - A core DC-to-DC circuit design reduces output voltage instability to PC components
- QUIET COOLING - A 120mm sleeve bearing fan (FDB) provides self-regulating cooling, while generating very little noise during operation
- HARDY DESIGN - An active PFC design ensures reliable output (OCP, OVP, OPP, OTP, SCP protections); Includes an MSI 5-year limited warranty
Description
MSI MAG A550BN UK PSU '550W, 80 Plus Bronze certified, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, Non-Modular, Sleeved Cables, ATX Power Supply Unit, UK Powercord, Black'
MSI MAG A550BN Power Supply Unit Review
Overview The MSI MAG A550BN is a 550-watt power supply unit (PSU) designed for gaming enthusiasts. It is 80 Plus Bronze certified, indicating its efficiency in converting AC power to DC power. This PSU features a modular design, high-quality components, and advanced protection features.
Design and Build Quality The MSI MAG A550BN boasts a sleek and durable design. The PSU is built with high-quality components, ensuring reliability and longevity. The modular design allows for easy cable management, which is essential for maintaining a clean and organized build.
Performance The PSU is equipped with a 120mm fan that uses a sleeve bearing, which reduces noise while maintaining excellent heat dissipation. The DC-to-DC circuit design enhances the overall efficiency and stability of the power supply. The 12V single-rail configuration ensures that the power is distributed evenly, reducing the risk of voltage fluctuations.
Efficiency and Certification The 80 Plus Bronze certification indicates that the PSU achieves an efficiency of at least 82% at 20% load, 85% at 50% load, and 82% at 100% load. This certification ensures that the PSU is energy-efficient and can help reduce electricity bills.
Protection Features The MSI MAG A550BN comes with advanced protection features, including overvoltage protection (OVP), undervoltage protection (UVP), overcurrent protection (OCP), and short-circuit protection (SCP). These features safeguard the PSU and the connected components from potential damage.
Pros
- Efficiency: 80 Plus Bronze certified for efficient power conversion.
- Design: Modular design for easy cable management.
- Components: High-quality components for reliability.
- Noise Reduction: Sleeve bearing fan reduces noise.
- Protection: Advanced protection features (OVP, UVP, OCP, SCP).
- Warranty: 5-year warranty for peace of mind.
Cons
- Power Limitation: 550 watts may not be sufficient for high-end gaming systems.
- Noise Under Heavy Load: While the fan is quiet, it might produce more noise under heavy loads.
Verdict The MSI MAG A550BN is a reliable and efficient power supply unit suitable for most gaming builds. Its modular design, high-quality components, and advanced protection features make it a solid choice. However, users with high-end systems requiring more power might need to consider a higher wattage PSU.
Features Table
| Feature | Description |
|---|---|
| Wattage | 550W |
| Efficiency | 80 Plus Bronze Certified |
| Design | Modular |
| Fan Type | 120mm Sleeve Bearing |
| Protection Features | OVP, UVP, OCP, SCP |
| Warranty | 5 Years |
| Rail Configuration | 12V Single-Rail |
| Circuit Design | DC-to-DC Circuit |
| Certification | ATX PSU Compliant |