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'

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.

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.

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.

Cheapest 550w I could find that had an 80+ bronze rating, it fits in an matx case the cables are very long abit too long which is a problem with a small case, very easy to install with only 4 screws, works great as a power supply from a trustworthy company.

Great value! My last one died and this does a perfect job replacing it. Nothing fancy, just a stand straight replacement. Nice and quiet too so i'm happy

Tired of PSU nightmares? Say hello to the MSI MAG A550BN – the budget-friendly hero that brought stability and silence to my PC. Here's why I'm loving it: Rock-Solid Power: 550W of 80 Plus Bronze certified goodness keeps my rig humming smoothly, even during intense gaming sessions. No more power spikes or jitters, just reliable performance. Whisper-Quiet: The 120mm fan stays surprisingly quiet, even under load. No more annoying PSU whirring to drown out your game audio. It's like adding a noise-cancelling feature to your PC! Built to Last: DC-to-DC circuits, single-rail design, and a comprehensive suite of protections give me peace of mind knowing my precious components are safe and sound. Plus, the 5-year warranty shows MSI stands behind their product. Easy Install, Even for Noobs: Non-modular cables might not be for everyone, but the straightforward layout and included accessories make installation a breeze. Even a first-time builder like me managed it without breaking a sweat. The Verdict: This PSU punches way above its weight. If you're building a budget-conscious PC without sacrificing performance or peace of mind, the MSI MAG A550BN is a no-brainer. It's quiet, reliable, and won't break the bank. 5 out of 5 stars! Bonus Tip: For extra cable management magic, invest in some PSU cable extensions. Your case will thank you for it. I hope this review helps! Let me know if you have any other questions about the MSI MAG A550BN or your build in general. Bard may display inaccurate info, including about people, so double-check its responses.

I seem to have been using MSI components a bit more recently as they seem to present a reasonable price performance point. The PSU went into my son's Bazzite build - a new PC to replace his old Win 10 one. It gets daily and heavy use and the PSU has been as good as gold since the machine was commissioned into use, including powering a Radeon 6400XT GPU and 5600X based mobo etc. The cabling is not modular but I am fine with that at this price point and I just spent a bit of time securing spare power connectors when I cabled up all the various connections I needed on the build. Plugs and sockets are all decent quality and fit nicely into their opposite numbers as you would expect. I found cable lengths to be fine for the build I was doing. Fan noise is reasonable - by no means silient but not sounding like a hovercraft when under load either. I liked this enough to order another for my existing PC when the 12v auxiliary rail in my existing PSU failed recently and like the first one its been absolutely fine to date.

The MSI MAG A550BN 550W Power Supply is a great choice for budget and mid-range PC builds. It delivers consistent power, runs quietly, and comes from a trusted brand. Stable and Efficient Performance With its 80 Plus Bronze certification, this PSU provides good efficiency and stable power delivery. I’ve been using it for gaming and productivity tasks, and it handles everything smoothly without any power fluctuations. The 12V single-rail design ensures steady performance, especially under load. Quiet and Well-Built The 120mm fan does a great job at keeping things cool while remaining quiet. Even under load, fan noise is barely noticeable. The overall build quality feels solid, and the unit doesn’t feel cheap despite being affordable. Good for Entry-Level and Mid-Range PCs At 550W, this PSU is perfect for mid-range gaming setups or office builds. It supports most mainstream GPUs without any issues, though if you’re running a high-end graphics card, you may want to consider a higher-wattage PSU. Final Thoughts For those looking for a reliable, efficient, and affordable power supply, the MSI MAG A550BN is a great option. It’s stable, quiet, and backed by a 5-year warranty, making it a solid choice for budget-conscious builders.

Beware, very noisy, causes radio interference across all radio bands.

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. 👍

I bought this power supply to replace my sister's power supply on her PC. This is the best PSU I could find within our budget range. It may be budget but it still has the specifications that I'm looking for like * 80 Plus Bronze certified for high efficiency * 120mm Low Noise Fan * All black cables also, the build quality of this power supply matches the quality of those power supplies around $100.

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!

Rated C tier on the PSU Cultist list so you know it's reliable. It's pretty cheap and covers gaming at 1080p with ease, if you don't mind a non-modular power supply this is a good choice. Only downside for me were the screws were a bit finnicky and tight when installing it in the case, but it was fine after some trial and error.