---
product_id: 385686108
title: "MSI MAG A550BN"
brand: "msi"
price: "A$164"
currency: AUD
in_stock: true
reviews_count: 13
category: "Msi"
url: https://www.desertcart.com.au/products/385686108-msi-mag-a550bn
store_origin: AU
region: Australia
---

# 550W stable power output 120mm quiet cooling fan 80 Plus Bronze efficiency up to 86% MSI MAG A550BN

**Brand:** msi
**Price:** A$164
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your ambition with MSI MAG A550BN — efficiency and reliability in one sleek package.

## Quick Answers

- **What is this?** MSI MAG A550BN by msi
- **How much does it cost?** A$164 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/385686108-msi-mag-a550bn)

## 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

- • **Rock-Solid Stability:** 12V single-rail design delivers consistent, stable current even under heavy loads—no crashes, no compromises.
- • **Cool and Quiet Confidence:** 120mm sleeve bearing fan with fluid dynamic bearing technology keeps your system whisper-quiet and cool during marathon work or gaming sessions.
- • **Power that Keeps You Ahead:** 550W robust output powers your high-performance rig without breaking a sweat.
- • **Efficiency Meets Sustainability:** 80 Plus Bronze certification ensures up to 86% energy efficiency, cutting down your carbon footprint and electricity bills.
- • **Built to Last with Peace of Mind:** Advanced protections (OCP, OVP, OPP, OTP, SCP) plus a 5-year MSI warranty mean your investment is safeguarded for years.

## Overview

The MSI MAG A550BN is a 550W ATX power supply unit featuring 80 Plus Bronze certification for up to 86% efficiency, a stable 12V single-rail design, and a DC-to-DC circuit for voltage stability. Equipped with a quiet 120mm fluid dynamic bearing fan and comprehensive protection mechanisms, it ensures reliable, cool, and silent operation. Backed by a 5-year warranty, it’s a dependable choice for professionals and gamers seeking efficient power delivery.

## Description

Reliable 550W ATX power supply with 80 Plus Bronze certification, 12V single-rail design, DC-to-DC circuit, and 120mm fan for efficient, stable, and quiet performance.

Review: Reliable and quiet power supply with great build quality - I recently upgraded to the MSI MAG A550BN power supply and I am really impressed. Installation was straightforward and it fits perfectly in my ATX case. The 550 watt capacity gives me peace of mind for current and future component upgrades. It runs quietly thanks to the 120 millimeter fan and I hardly notice it during regular use. I appreciate that it is 80 Plus Bronze certified and has a solid single 12 volt rail. The DC to DC design helps keep voltages stable under load. The cables are well made and long enough to comfortably reach all my components without cluttering the case. So far performance has been smooth and reliable. I have not experienced any power hiccups or noise issues. The 5 year warranty also gives me extra confidence that this PSU is built to last.
Review: Reliable Power Supply – Great Value for Money - The MSI MAG A550BN is a solid and reliable power supply. Installation was straightforward, and it provides stable power with no issues so far. It’s been running quietly, even under load, which is a big plus. The build quality feels good for the price, and the cables are decent quality and long enough for a standard mid-tower case. At 550W, it’s more than sufficient for a typical gaming or everyday PC build. Overall, this is a dependable and affordable power supply from a trusted brand. Ideal for budget or mid-range systems, and I’d happily recommend it.

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09GW4S27Q |
| Best Sellers Rank | 193 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 1 in Power Supplies |
| Brand | MSI |
| Brand Name | MSI |
| Compatible Devices | Personal Computer |
| Compatible devices | Personal Computer |
| Connector Quantity | 2 |
| Connector Types | ATX |
| Connector type | ATX |
| Cooling Method | Air |
| Country of Origin | China |
| Current Rating | 45.5 Amps |
| Customer Reviews | 4.6 out of 5 stars 1,785 Reviews |
| EU Spare Part Availability Duration | 5 Years |
| Fan Size | 120 Millimetres |
| Form Factor | ATX |
| Form factor | ATX |
| Item Dimensions | 15 x 14 x 8.6 centimetres |
| Item Highlight | 550W, 80 Plus Bronze Certified, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, Non-Modular, Sleeved Cables, ATX, UK Powercord |
| Item Type Name | Power Supply, PSU, ATX PSU, ATX Power Supply |
| Item Weight | 1.59 Kilograms |
| Manufacturer | MSI |
| Manufacturer Part Number | 306-7ZP2A18-CE0 |
| Maximum Input Voltage | 230 Volts |
| Minimum Input Voltage | 110 Volts (AC) |
| Model Name | MAG A550BN |
| Model Number | 306-7ZP2A18-CE0 |
| Model name | MAG A550BN |
| Number of Fans | 1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Output Wattage | 550 |
| Output wattage | 550 |
| Power Supply Design | Non-Modular |
| Product Warranty | 5 Years Limited Warranty |
| System Bus Connector Type | 20+4 Pin |
| Unit Count | 1.0 count |
| Wattage | 550 watts |

## Product Details

- **Brand:** MSI
- **Compatible devices:** Personal Computer
- **Connector type:** ATX
- **Cooling method:** Air
- **Form factor:** ATX
- **Item dimensions L x W x H:** 15 x 14 x 8.6 centimetres
- **Item weight:** 1.59 Kilograms
- **Model name:** MAG A550BN
- **Output wattage:** 550
- **Wattage:** 550 watts

## Images

![MSI MAG A550BN - Image 1](https://m.media-amazon.com/images/I/71rn7YPQf5L.jpg)
![MSI MAG A550BN - Image 2](https://m.media-amazon.com/images/I/81BEr8rux0L.jpg)
![MSI MAG A550BN - Image 3](https://m.media-amazon.com/images/I/817E4KBTyNL.jpg)
![MSI MAG A550BN - Image 4](https://m.media-amazon.com/images/I/91Cx6IhVNmL.jpg)
![MSI MAG A550BN - Image 5](https://m.media-amazon.com/images/I/81FVXfsJT8L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable and quiet power supply with great build quality
*by C***J on 20 July 2025*

I recently upgraded to the MSI MAG A550BN power supply and I am really impressed. Installation was straightforward and it fits perfectly in my ATX case. The 550 watt capacity gives me peace of mind for current and future component upgrades. It runs quietly thanks to the 120 millimeter fan and I hardly notice it during regular use. I appreciate that it is 80 Plus Bronze certified and has a solid single 12 volt rail. The DC to DC design helps keep voltages stable under load. The cables are well made and long enough to comfortably reach all my components without cluttering the case. So far performance has been smooth and reliable. I have not experienced any power hiccups or noise issues. The 5 year warranty also gives me extra confidence that this PSU is built to last.

### ⭐⭐⭐⭐⭐ Reliable Power Supply – Great Value for Money
*by A***R on 10 January 2026*

The MSI MAG A550BN is a solid and reliable power supply. Installation was straightforward, and it provides stable power with no issues so far. It’s been running quietly, even under load, which is a big plus. The build quality feels good for the price, and the cables are decent quality and long enough for a standard mid-tower case. At 550W, it’s more than sufficient for a typical gaming or everyday PC build. Overall, this is a dependable and affordable power supply from a trusted brand. Ideal for budget or mid-range systems, and I’d happily recommend it.

### ⭐⭐⭐⭐⭐ Vey good budget PSU
*by B***I on 5 October 2025*

MSI MAG A650BN Review: Dependable Power for Mid-Range Builds The MSI MAG A650BN is a solid 650W power supply that delivers dependable performance for gamers, creators, and everyday users. With 80+ Bronze certification, a quiet 120mm fan, and essential protections built-in, it’s a smart choice for budget-conscious builders who don’t want to compromise on safety or stability. 🔌 Efficient and Reliable Power Delivery Rated at 80+ Bronze, the A650BN offers up to 85% efficiency under typical loads. That means less wasted energy, lower heat output, and reduced electricity bills over time. It’s ideal for systems running mid-range GPUs like the RTX 4060 or RX 7600, and even handles the RTX 5060 with ease. 🛡️ Industrial-Grade Protections MSI includes all the key safety features: Over Voltage Protection (OVP), Over Current Protection (OCP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short Circuit Protection (SCP). These ensure your components stay safe even during power fluctuations. 🌬️ Quiet Cooling with a 120mm Fan The built-in fan runs quietly and efficiently, keeping internal temperatures stable without adding noise to your setup. It’s a great fit for home offices or gaming rigs where acoustics matter. 🧩 Clean Design and Easy Cabling While it’s not modular, the included cables are well-sleeved and long enough for most ATX cases. The matte black finish and compact dimensions make it easy to integrate into clean builds. 💸 Excellent Value for Entry-Level to Mid-Tier Systems For under £50, the A650BN offers a compelling mix of efficiency, safety, and brand reliability. MSI may be better known for motherboards and GPUs, but this PSU proves they can deliver quality across the board. If you're building a system with a modern CPU and a single GPU, the MSI MAG A650BN is a dependable power source that won’t let you down. It’s not flashy—but it’s functional, efficient, and built to last.

## 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 Australia*
*Store origin: AU*
*Last updated: 2026-10-29*