---
product_id: 422404081
title: "MSI MAG A550BN Gaming Power Supply Unit, 80 Plus Bronze Certified Power Supply, 550 Watt, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, 5-Year Limited Warranty"
brand: "msi"
price: "$163.76"
currency: USD
in_stock: true
reviews_count: 13
category: "Msi"
url: https://www.desertcart.us/products/422404081-msi-mag-a550bn-gaming-power-supply-unit-80-plus-bronze
store_origin: US
region: United States of America
---

# 550W stable power output 120mm low-noise cooling fan 12V single-rail stable delivery MSI MAG A550BN Gaming Power Supply Unit, 80 Plus Bronze Certified Power Supply, 550 Watt, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, 5-Year Limited Warranty

**Brand:** msi
**Price:** $163.76
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your build with MSI MAG A550BN — where efficiency meets rock-solid reliability!

## Quick Answers

- **What is this?** MSI MAG A550BN Gaming Power Supply Unit, 80 Plus Bronze Certified Power Supply, 550 Watt, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, 5-Year Limited Warranty by msi
- **How much does it cost?** $163.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/422404081-msi-mag-a550bn-gaming-power-supply-unit-80-plus-bronze)

## Best For

- msi enthusiasts

## Why This Product

- Trusted msi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Power Your Play with 550W ⚡:** Ample wattage to fuel demanding gaming rigs and multitasking setups without breaking a sweat.
- • **Whisper-Quiet Cooling 🌬️:** 120mm fan keeps your system cool and silent, so you stay focused on the game or work.
- • **Eco-Smart 80 PLUS Bronze Certified 🔋:** High efficiency means lower energy bills and a greener footprint—power up responsibly.
- • **Confidence Built-In with 5-Year Warranty 🛠️:** Long-term reliability backed by MSI’s trusted craftsmanship and comprehensive protection.
- • **Rock-Solid Stability with 12V Single Rail 🛡️:** Consistent, crash-free power delivery that safeguards your high-performance components.

## Overview

The MSI MAG A550BN is a 550W 80 PLUS Bronze certified power supply designed for gamers and creators seeking reliable, efficient, and stable power delivery. Featuring a 12V single-rail design and advanced DC-to-DC circuitry, it ensures consistent voltage with minimal fluctuations. Its quiet 120mm fan provides effective cooling without distracting noise, while a 5-year warranty guarantees long-term peace of mind. Ideal for budget-conscious builds demanding dependable performance and energy efficiency.

## Description

From the manufacturer MAG A550BN MSI: For Gamers & Creators MSI is one of the most trusted names in gaming and esports with countless hours and significant resources invested into premier esports leagues and tier-1 gaming teams. By supporting and working with the best of the best, MSI is able to integrate competitive gaming knowledge and aspirations with technological innovation to create new products that shatter today's performance limits. Your Power, Right Away MSI MAG power supplies are designed to provide a safe, reliable, and efficient foundation for PC systems with 80 PLUS Bronze-certified efficiency, DC-to-DC circuit design, 12V single rail, active PFC, and a low-noise fan. For first-time DIY system builders, MSI MAG power supplies offer an excellent balance of quality & simplicity of design. 80 PLUS Bronze certified Active PFC design Industrial level protection with OVP, OCP, OPP, OTP, SCP DC-to-DC circuit design Quiet 120mm cooling fan 80 PLUS Bronze The efficiency of a power supply directly influences system performance and power consumption. 120mm Low Noise Fan A 120mm sleeve bearing fan provides self-regulating cooling, while generating very little noise during operation. DC-to-DC Circuit Design A core DC-to-DC circuit design reduces output voltage instability to PC components. Comprehensive Circuit Protection A 12V single-rail design delivers stable output currents under heavy loading. Includes an active PFC design (OCP, OVP, OPP, OTP, SCP protections). Extensive Connectivity Connect to multiple hard drives, SSDs, graphics cards and other components with a broad array of cables (non-modular). Output Specifications Robust internals support a wide range of AC inputs, while delivering stable output for high performance components.

Review: ⭐ Great Power Supply!! Perfect for Budget Gaming PC - The MSI MAG A550BN Gaming Power Supply (550W, 80+ Bronze Certified) is an excellent choice for anyone building a budget gaming PC. It delivers reliable performance without costing too much, making it a true value-for-money product. I’ve been using this PSU for my setup, and it works great. It provides stable power output, which helps keep my PC running smoothly even during long gaming sessions. One of the best things about it is how it handles power fluctuations effectively, ensuring my components stay safe and protected. The build quality feels solid, and installation was simple. For a 550W bronze-rated PSU, it offers good efficiency and does exactly what it promises—no unnecessary complications, just dependable performance. Overall, I’m very satisfied with this purchase. If you’re putting together a budget gaming PC and want a reliable, stable, and affordable power supply, this is definitely a great option to consider. 👍
Review: Reliable Power Supply for Gaming Builds - The MSI MAG A550BN is a reliable and efficient power supply. It runs quietly, delivers stable performance, and is perfect for gaming builds. Very satisfied with the quality and value!

## Features

- 80 PLUS BRONZE CERTIFICATION: This PSU Cooler has a bronze certification rating that ensures high efficiency, delivering more power with less energy consumption, resulting in lower energy bills and a more eco-friendly system.
- 550W POWER OUTPUT: This power output is perfect for gaming systems, providing ample power to handle demanding games & applications, even with multiple components running simultaneously. The adopted DC-DC circuit design reduces the instability of output voltage & adds stability to the power supply.
- 12V SINGLE Rail DESIGN: This design ensures stable, consistent power delivery to all components, preventing power fluctuations that could cause instability, crashes, or damage to sensitive components. It delivers stable currents even under heavy loading.
- LOW NOISE: The 120mm fan provides efficient and quiet cooling, keeping the unit and other system components cool and reducing noise levels. Additionally, this PSU comes with a 5-year warranty ensuring quality and value for your money.
- ADVANCED CIRCUIT DESIGN: The advanced circuit design and high-quality components ensure stable performance even under heavy loads, making this PSU a great choice for gamers and professionals alike.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09GW4S27Q |
| Best Sellers Rank | #13,650 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #185 in Power Supplies (Computers & Accessories) |
| Brand | MSI |
| Brand Name | MSI |
| Compatible Devices | Personal Computer |
| Connector Type | PCI Express , SATA |
| Connector Type Used on Cable | PCI Express, SATA |
| Cooling Method | Air |
| Country of Origin | China |
| Current Rating | 80 Amps |
| Customer Reviews | 4.5 out of 5 stars 492 Reviews |
| EU Spare Part Availability Duration | 5 Years |
| Fan Size | 120 Millimetres |
| Form Factor | ATX12V |
| Importer Contact Information | Acro Engineering Company Khasra No 522/1, Jonapur Village Delhi – 110030 |
| Item Dimensions | 15 x 14 x 8.6 Centimeters |
| Item Type Name | Power Supply Unit |
| Item Weight | 1.59 Kilograms |
| Manufacturer | MSI, Micro-Star INT'L CO., LTD. No.69, Lide St., Zhonghe Dist., New Taipei City 235, Taiwan http://www.msi.com. |
| Manufacturer Contact Information | Micro-Star INT'L CO., LTD. No.69, Lide St., Zhonghe Dist., New Taipei City 235, Taiwan http://www.msi.com. |
| Manufacturer Part Number | 306-7ZP2A18-CE0 |
| Maximum Input Voltage | 230 Volts (AC) |
| Minimum Input Voltage | 110 Volts (AC) |
| Model Name | MAG A550BN |
| Model Number | 306-7ZP2A18-CE0 |
| Number of Fans | 1 |
| Output Wattage | 550 |
| Packer Contact Information | Micro-Star INT'L CO., LTD. No.69, Lide St., Zhonghe Dist., New Taipei City 235, Taiwan http://www.msi.com. |
| Power Supply Design | Non-Modular |
| System Bus Connector Type | 4 Pin |
| Unit Count | 1 Piece |
| Warranty Description | 5 |
| Wattage | 550 Watts |

## Product Details

- **Model Name:** MAG A550BN
- **Brand:** MSI
- **Compatible Devices:** Personal Computer
- **Connector Type:** PCI Express, SATA
- **Output Wattage:** 550

## Images

![MSI MAG A550BN Gaming Power Supply Unit, 80 Plus Bronze Certified Power Supply, 550 Watt, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, 5-Year Limited Warranty - Image 1](https://m.media-amazon.com/images/I/71rn7YPQf5L.jpg)
![MSI MAG A550BN Gaming Power Supply Unit, 80 Plus Bronze Certified Power Supply, 550 Watt, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, 5-Year Limited Warranty - Image 2](https://m.media-amazon.com/images/I/81BEr8rux0L.jpg)
![MSI MAG A550BN Gaming Power Supply Unit, 80 Plus Bronze Certified Power Supply, 550 Watt, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, 5-Year Limited Warranty - Image 3](https://m.media-amazon.com/images/I/817E4KBTyNL.jpg)
![MSI MAG A550BN Gaming Power Supply Unit, 80 Plus Bronze Certified Power Supply, 550 Watt, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, 5-Year Limited Warranty - Image 4](https://m.media-amazon.com/images/I/91Cx6IhVNmL.jpg)
![MSI MAG A550BN Gaming Power Supply Unit, 80 Plus Bronze Certified Power Supply, 550 Watt, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, 5-Year Limited Warranty - Image 5](https://m.media-amazon.com/images/I/81FVXfsJT8L.jpg)

## Questions & Answers

**Q: does it has indian power cord? i dont want uk pin layout since they cant go in my ups**
A: buy a converter from the local store, it will cost around 70 rupees.

**Q: Will it be fit on galax rev01 mid tower cabinet?**
A: Absolutely Yes. I personally use it on a Galax Rev01.

**Q: Does it have indian power socket or not??**
A: No

**Q: will these smps do support rtx 3050 dual fan 8gb graphics card?**
A: Yes

## Customer Reviews

### ⭐⭐⭐⭐⭐ ⭐ Great Power Supply!! Perfect for Budget Gaming PC
*by S***Y on 12 June 2026*

The MSI MAG A550BN Gaming Power Supply (550W, 80+ Bronze Certified) is an excellent choice for anyone building a budget gaming PC. It delivers reliable performance without costing too much, making it a true value-for-money product. I’ve been using this PSU for my setup, and it works great. It provides stable power output, which helps keep my PC running smoothly even during long gaming sessions. One of the best things about it is how it handles power fluctuations effectively, ensuring my components stay safe and protected. The build quality feels solid, and installation was simple. For a 550W bronze-rated PSU, it offers good efficiency and does exactly what it promises—no unnecessary complications, just dependable performance. Overall, I’m very satisfied with this purchase. If you’re putting together a budget gaming PC and want a reliable, stable, and affordable power supply, this is definitely a great option to consider. 👍

### ⭐⭐⭐⭐⭐ Reliable Power Supply for Gaming Builds
*by M***L on 6 February 2026*

The MSI MAG A550BN is a reliable and efficient power supply. It runs quietly, delivers stable performance, and is perfect for gaming builds. Very satisfied with the quality and value!

### ⭐⭐⭐⭐ Good product
*by V***I on 6 July 2026*

Good

## Frequently Bought Together

- MSI MAG A550BN Power Supply Unit, UK Plug - 550W, 80 Plus Bronze Certified, ATX PSU, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan - 5 Year Warranty
- Corsair VENGEANCE LPX DDR4 RAM 16GB (2x8GB) 3200MHz CL16 Intel XMP 2.0 Computer Memory - Black (CMK16GX4M2B3200C16)
- AMD Ryzensets 5 5600X Processor (6 Cores/12Threads, 65W TDP, AM4 Socket, 35MB Cache, up to 4.6 GHz Max Boost, Wraith Stealth Cooler)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-16*