--- product_id: 385686108 title: "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'" brand: "msi" price: "$116.17" currency: USD in_stock: true reviews_count: 13 url: https://www.desertcart.us/products/385686108-mag-a550bn-uk-psu-550w-80-plus-bronze-certified-12v store_origin: US region: United States of America --- # 550W stable power output 120mm quiet cooling fan 80 PLUS Bronze up to 86% efficiency 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' **Brand:** msi **Price:** $116.17 **Availability:** ✅ In Stock ## Summary > ⚡ Power your ambition with silent strength! ## Quick Answers - **What is this?** 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' by msi - **How much does it cost?** $116.17 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/385686108-mag-a550bn-uk-psu-550w-80-plus-bronze-certified-12v) ## 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 and DC-to-DC circuit design deliver consistent, reliable voltage under heavy loads. - • **Whisper-Quiet Operation:** 120mm sleeve bearing fan keeps your build cool with minimal noise—focus on work or play without distractions. - • **Power That Keeps You Ahead:** 550W output ensures smooth, uninterrupted performance for demanding tasks and gaming marathons. - • **Built to Last with Confidence:** Active PFC and comprehensive protections backed by MSI’s 5-year warranty guarantee peace of mind. - • **Efficiency Meets Sustainability:** 80 PLUS Bronze certification reduces energy waste and lowers your carbon footprint without sacrificing power. ## 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. It includes a quiet 120mm fan and active PFC with multiple protections, all backed by a 5-year warranty—ideal for reliable, efficient PC builds. ## Description 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. ## 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 | 227 in Computers & Accessories (See Top 100 in Computers & Accessories) 1 in Power Supplies | | Brand Name | MSI | | Compatible Devices | Personal Computer | | Connector Quantity | 2 | | Connector Types | ATX | | Cooling Method | Air | | Country Of Origin | China | | Current Rating | 2.5 Amps | | Customer Reviews | 4.6 4.6 out of 5 stars (498) 4.6 out of 5 stars | | Eu Spare Part Availability Duration | 5 Years | | Fan Size | 120 Millimetres | | Form Factor | ATX | | Item Dimensions | 15 x 14 x 8.6 centimetres | | 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 | | Number Of Fans | 1 | | Number Of Items | 1 | | Number Of Packs | 1 | | 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 ![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' - Image 1](https://m.media-amazon.com/images/I/71rn7YPQf5L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable Power Supply – Great Value for Money *by on Reviewed in the United Kingdom 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. ### ⭐⭐⭐⭐⭐ Reliable power supply *by on Reviewed in the United Kingdom 15 March 2026* Good quality power supply that works exactly as expected. It was easy to install and fit into the case, and everything powered up without any issues.It runs quietly and feels solidly built, and the 550W capacity is plenty for a typical PC build. Overall a reliable PSU and good value for the price. ### ⭐⭐⭐⭐⭐ A no brainer *by on Reviewed in the United Kingdom 30 November 2025* Not much to say. One of the very best budget power supplies literally of all time.I have never had issues with this, and have always loved to work with them. With a premium name such as MSI comes a premium building experience and also a premium feel with the cable length, ability to manage cables with ease and also great connectivity, only missing the very newest ATX 3.1 connector.The cables are a nice pure black which ties in with all black builds, and the actual internals are good quality, passing all the tests on my PSU tester.*** 5 stars ***My Star Rating:★★★★★ | No brainer - Top product. Not only do I like it, but it’s well worth it, IMHO★★★★☆ | Like it - Great product and value for money. I'm happy with this.★★★☆☆ | OK - Product is average. Nothing wrong, but I’d probably be looking for a sale★★☆☆☆ | Hmmm… - Not worth the price, functional but nothing better than mediocre★☆☆☆☆ | Avoid - Very Poor Quality item not fit for purpose. I wouldn’t buy it at any price. ## 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) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/385686108-mag-a550bn-uk-psu-550w-80-plus-bronze-certified-12v](https://www.desertcart.us/products/385686108-mag-a550bn-uk-psu-550w-80-plus-bronze-certified-12v) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-25*