MSI
MSI MAG A550BN 550W 80+ Bronze power supply
Delivers 550 W with 80 PLUS Bronze efficiency, a 120 mm low-noise fan, active PFC, DC-to-DC design and full protection in a compact 140 mm ATX unit
- ColorBlack
- TypeATX12V
- Maximum Power550 W
- Fans120mm
- PFCActive
- Main Connector20+4Pin
Options ATX 80+ Bronze (550W)
- 80 PLUS Bronze certification cuts energy waste and lowers running costs
- 120 mm low-noise sleeve-bearing fan keeps temperatures down quietly
- DC-to-DC circuit design with single 12 V rail delivers stable voltage to components
- Full protection suite OCP OVP SCP OPP OTP safeguards hardware from power faults
- Compact 140 mm depth fits tight cases while supplying 550 W continuous power
Entry-Level 550 W ATX Power Supply
The MSI MAG A550BN is a non-modular ATX12V unit rated at 550 W with 80 PLUS Bronze certification. It targets builders assembling their first gaming or workstation PC who need reliable power without cable management complexity. A single +12 V rail and active PFC deliver stable output across 100–240 V input at 50/60 Hz.
Fixed Cable Set and Protection Suite
The hard-wired harness includes a 20+4-pin motherboard connector, two 6+2-pin PCIe plugs and five SATA power leads, covering a mainstream GPU and several drives in one install. DC-to-DC circuitry tightens voltage regulation while OCP, OVP, OPP, OTP and SCP safeguards shut the unit down under fault conditions.
Compact 140 mm Chassis with 120 mm Fan
At 140 mm deep the supply fits tight mini-tower cases, and the 120 mm sleeve-bearing fan keeps acoustic output low under load. Black finished steel housing and standard ATX mounting holes allow drop-in installation in any compatible chassis.
주요 특징
- 80 PLUS Bronze certification cuts energy waste and lowers running costs
- 120 mm low-noise sleeve-bearing fan keeps temperatures down quietly
- DC-to-DC circuit design with single 12 V rail delivers stable voltage to components
- Full protection suite OCP OVP SCP OPP OTP safeguards hardware from power faults
- Compact 140 mm depth fits tight cases while supplying 550 W continuous power
사양
| Brand | MSI |
|---|---|
| Model | MAG A550BN |
| Color | Black |
| Type | ATX12V |
| Maximum Power | 550 W |
| Fans | 120mm |
| PFC | Active |
| Main Connector | 20+4Pin |
| +12V Rails | Single |
| PCI-Express Connector | 2 x 6+2-Pin |
| SATA Power Connector | 5 |
| Max PSU Length | 140 mm |
| Energy-Efficient | 80 PLUS BRONZE Certified |
| Over Voltage Protection | Yes |
| Protection | OCP / OVP / OPP / OTP / SCP |
| Input Voltage | 100 - 240 V |
| Input Frequency Range | 50/60 Hz |
| Input Current | 115Vac/8.0A max. 230Vac/4.0A max. |
| Output | [email protected] , [email protected] , [email protected] , [email protected] , [email protected] |
| Dimensions | 5.91" x 5.51" x 3.39" |
| 배송 무게 | 2.72 kg |
| 포장 크기 | 254 × 203 × 152 mm |
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이 상품에 대한 질문
Will this unit fit in a compact case with limited depth?
The housing measures 140 mm long, so it fits most standard ATX cases and many compact builds that accept a full-size PSU.
Can it power a mid-range graphics card with a single 8-pin connector?
Yes, the unit includes two 6+2-pin PCIe cables and a single 12 V rail rated for the full 550 W output.
Does the fan run quietly under typical gaming loads?
The 120 mm sleeve-bearing fan is designed for low-noise operation while maintaining adequate cooling.
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