

⚡ Power up your rig quietly and confidently — no compromises, just performance.
The MSI MAG A550BN is a compact, non-modular 550W power supply featuring 80 PLUS Bronze certification for efficient energy use. It includes a low-noise fan for quiet operation and comes with a 5-year warranty, making it a dependable choice for budget-conscious gamers and professionals seeking reliable power delivery in a sleek ATX form factor.





| ASIN | B0991W1HKT |
| Best Sellers Rank | #9 in Computer Power Supplies |
| Brand | msi |
| Compatible Devices | Personal Computer |
| Connector Type Used on Cable | ATX |
| Cooling Method | Air |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,341) |
| EU Spare Part Availability Duration | 5 Years |
| Form Factor | ATX |
| Global Trade Identification Number | 00824142258392, 04719072849603 |
| Item Dimensions | 5.91 x 5.51 x 3.39 inches |
| Item Weight | 1.87 Kilograms |
| Manufacturer | MSI |
| Maximum Input Voltage | 240 Volts (AC) |
| Mfr Part Number | 306-7ZP2A11-CE0 |
| Minimum Input Voltage | 100 Volts (AC) |
| Model Name | FBAMSIA550BN |
| Model Number | 306-7ZP2A11-CE0 |
| Number of Fans | 1 |
| Output Wattage | 550 |
| Power Supply Design | Non-Modular |
| System Bus Connector Type | 24 Pin ATX |
| UPC | 824142258392 |
| Unit Count | 1.0 Count |
| Warranty Description | 10 Year Limited Manufacturer |
| Wattage | 550 watts |
A**R
Decent quality at a great price.
This PSU might look like a cheap and crappy unit... BUT IT's not!!! The specs are there (I opened and analyzed the components.) While it is cheap, and the components are not top tier, they are of decent quality and perform up to spec even under extreme conditions. All the protections you need are there and they work correctly. All in all a decent quality power supply for a mainstream budget build.
K**N
Thing works better than expected
Works just as expected, easily installable, and makes a quiet humming noise. Even though there is a lot of cords this is a perfect psu for your pc.
C**S
Great PSU!
is a great PSU, good looks, fits perfectly, necessary cables, does not heat up because it has excellent ventilation, I think it is one of the best PSU quality price and very good brand
A**E
Good entry-level PSU
Quiet, efficient, cheap. If you're putting together a build with an older/lower power GPU, this is a great basic PSU.
B**R
Great PSU!
Works great for my gaming build. Gig b550 gaming v2 Ryzen 5600g Radeon sapphire pulse 5600xt 1 gig ssd and 250 ssd external 16gb ram Liquid cooling and multiple rgb fans I never have issues with pc running slow or not receiving enough power
G**N
Saved my computer
This saved my computer. The computer started to shut down randomly. I suspected many things: overheating, electrostatic, conflicting Windows updates, software, etc. It was extremely frustrating not knowing the cause of the problem, and it wasted a lot of time. I suspected it was the PSU at first because I knew PSU is the usual prime suspect to cause the computer to shut down randomly. But I was misled by some dubious signs to conclude it couldn't be PSU. One big reason that misled me into excluding PSU was that the computer ran stably in the BIOS mode for a long time. So I thought it couldn't be a PSU. The theory was that if it were, it would have the same problem whenever the computer was running, not just when the full Windows was loaded. Sounds reasonable, right? After having tried everything else to no avail, I finally decided to buy a cheap PSU to give it a try. I simply ran out of ideas. I was ready to abandon the computer anyway, so I bought this inexpensive unit to replace my original PSU, which cost nearly 3 times as much. Guess what? It was the PSU. After I replaced it with this one, the problem disappeared. I still can't explain why the computer with the old PSU in BIOS was able to run stably without booting into Windows. Perhaps I didn't run it long enough? Or perhaps the computer had a very different power consumption pattern when running in BIOS that the old PSU was able to support? Well, it doesn't matter to me now. With this PSU as a cheap replacement, the computer is working with absolutely no power problems.
C**R
Worth all the money
This powersupply lasted me for my whole life time of my pc, still being used when selling my pc! The quality is perfect as well has all the essential wires.
E**S
PSU + GPU + CPU
Great choice to combine with ryzen 5 5500 + rtx 3050 8gb
G**A
L'alimentatore MSI MAG A550BN rappresenta una soluzione affidabile e efficiente per le esigenze di alimentazione del tuo PC, offrendo una combinazione di potenza, prestazioni e durata. Iniziamo con le specifiche tecniche: con una potenza di 550W e la certificazione 80 Plus Bronze, questo alimentatore garantisce un'elevata efficienza energetica, riducendo gli sprechi di energia e contribuendo a mantenere basse le bollette dell'elettricità. Il design ATX PSU e il singolo binario da 12V assicurano una distribuzione stabile della corrente, garantendo un funzionamento fluido e affidabile anche in situazioni di carico intenso. Il circuito DC-to-DC migliora ulteriormente le prestazioni dell'alimentatore, garantendo una regolazione precisa della tensione e una maggiore stabilità del sistema. Questo è particolarmente importante per gli utenti che richiedono prestazioni costanti e affidabili durante sessioni di gioco intense o attività di elaborazione pesante. La presenza di una ventola da 120mm contribuisce a mantenere bassa la temperatura interna dell'alimentatore, garantendo un funzionamento silenzioso e un'elevata durata nel tempo. La gestione termica efficiente è essenziale per prolungare la vita utile dell'alimentatore e ridurre il rischio di surriscaldamento o malfunzionamenti. Un punto che merita particolare enfasi è la garanzia di 5 anni offerta da MSI. Questo dimostra la fiducia del produttore nella qualità e nella durata del prodotto, offrendo agli acquirenti una tranquillità aggiuntiva e la sicurezza di un'assistenza post-vendita affidabile. In conclusione, l'alimentatore MSI MAG A550BN è una scelta eccellente per chiunque cerchi un'opzione affidabile e efficiente per alimentare il proprio PC. Con la sua potenza adeguata, l'efficienza energetica, il design intelligente e la lunga garanzia, questo alimentatore offre un ottimo rapporto qualità-prezzo e soddisferà le esigenze anche degli utenti più esigenti.
Z**3
Kör tyst, helt nöjd
I**)
Went into my PC and lined up nicely with the screw holes. Didn't go too deep into the case. The cables were stiff and unruly however. The psu functions and the chemical smell mentioned in other reviews is present.
A**N
Es lief ausgezeichnet von der Bestellung bis zur Lieferung. Ich bin mit allem zufrieden Hat alles wunderbar gepasst
C**N
Alimentation silencieuse et parfaitement fonctionnel supporte la charge d’un r5 5600 et d’une rx 5700 xt produit de qualité avec cable d’alimentation fourni je recommande pour un petit budget
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