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⚡ Power up like a pro — future-proof, fierce, and flawless.
The MSI MPG A850GS PCIE5 is a fully modular 850W power supply delivering 80+ Gold efficiency with advanced LLC Half Bridge and DC-DC design. Equipped with premium Japanese capacitors and industrial-level protections, it supports the latest ATX 3.1 and PCIe 5.1 standards. Its low-noise operation and 10-year warranty make it a durable, high-performance choice for gamers and professionals aiming for a clean, reliable, and future-ready build.












| ASIN | B0DT2V39K4 |
| Best Sellers Rank | #29 in Computer Power Supplies |
| Brand | msi |
| Compatible Devices | Computer |
| Connector Type | ATX |
| Connector Type Used on Cable | ATX |
| Cooling Method | Air |
| Customer Reviews | 4.6 out of 5 stars 194 Reviews |
| EU Spare Part Availability Duration | 10 years |
| Form Factor | ATX |
| Item Dimensions | 11.5 x 9.5 x 5.4 inches |
| Item Weight | 3.1 kg |
| Manufacturer | MSI |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Mfr Part Number | MPG A850GS PCIE5 |
| Minimum Input Voltage | 100 volts_of_alternating_current |
| Model Name | MSI MPG A850GS PCIE 5.1 ATX 3.1 |
| Model Number | MPG A850GS PCIE5 |
| Number of Fans | 1 |
| Output Wattage | 850 |
| System Bus Connector Type | 24 Pin |
| UPC | 824142376317 |
| Unit Count | 1 Count |
| Warranty Description | 10 Year Manufacturer |
| Wattage | 850 watts |
G**Y
GREAT BUDGET POWER SUPPLY!
MSI MPG A850GS PCIE5, Fully Modular Gaming 850W Power Supply, 80+ Gold is an absolute beast of a power supply. Packaging was excellent, and everything arrived in perfect condition. Installation was straightforward thanks to the fully modular design, which made cable management much cleaner than previous power supplies I've used. The build quality feels premium, and the included dual 12V-2x6 cables are a nice bonus for high-end GPUs. Knowing it's ATX 3.1 and PCIe 5.1 ready gives me confidence that this PSU will handle future upgrades without any issues. The unit runs extremely quiet, and the 80+ Titanium efficiency is a great feature for reducing wasted power and heat. MSI also backs this power supply with a 12-year warranty, which speaks volumes about their confidence in the product's reliability. If you're building a high-performance gaming or workstation PC and want a top-tier PSU that should last for many years, this is an excellent choice. Highly recommended.
M**S
Quality brand quality product
Solid product. Only tip, when connecting everything connect it disconnect it and reconnect it. And make sure you press it in very hard. It works well and is surprisingly very quiet
C**A
Powerful and silent, a real good choice!
The MPG A850GS provides enough power for the 9800X30 and RX9070 XT build that I have, with some room to grow. Overall I really like the size of the power supply it's been a while since I have purchased a PC power supply and was kind of surprised by how compact the unit is. It's fully modular and provides more than enough cables for nearly any build. The unit is quiet even with the fan on, it also offers a silent operation mode if you need that. So far I do not detect any type of coil whine or anything that would impede it's operation. I am extremely happy with how this unit performs and functions. It was super easy to install and it feels quality built. The durability should last for years. The warranty is top notch too!
W**N
Muy buen producto precio / calidad
Excelente producto
N**R
Quiet performer!
Found it for a good price and made an upgrade from my previous Segotep unit, which went bad on the CPU power port. This one is future ready, comes with a fan turn off switch and twin 5.0 pcie ports . There's also an extra cable for the new 600w pcie to older gpu pcie pins to use with pre 4070 gpus. Lots of ports for the accessory connectors. Very quiet and great build quality.
A**.
Decent PSU, gets the jobs done, but there is a slight coil whine
I bought this PSU to replace an older FSP second handed PSU that started showing signs of deterioration of voltage regulation. This PSU's voltage regulation is much better than that on the FSP, and the voltage hardly sags with light to moderate load. The PSU's fan is very quiet, and it is literally inaudible even with the 0 RPM fan mode turned off. However, one thing that I noticed is the coil whine. There are 3 clips in the video. The 1st one is click sound the moment when the PC turns on. The click happens before the relay clicks, which has a few seconds delay. I assume this is caused by inrush current charging the big capacitor. I didn't notice this sound on my old FSP PSU. The 2nd clip is coil whine when I turn on the PSU with nothing attached. This whine is quite loud and can be heard distances away. The 3rd clip is a slight ticking noise when PC is idle. This noise isn't loud and can only be heard if I put my ear right next to the PSU. Not sure if any of these noises are normal, but the PSU has been working with no issues since I installed it.
B**M
Great psu!
I haven't gotten the chance to fully use this product bc I'm slowly piecing together a pc but I did flash the motherboard using it so I know it works and the fans came on after I presses the button that allows you to shut them off. It didn't burn the house down so I'd say it's a great product and should do what it's intended for.
P**R
Working well
Bought to replace an aging Corsair, and happy with the upgrade. Like the bright 16pin for when this PC moves to a newer GPU that uses it. Quality cords, like the compact size, now to see how long it lasts.
M**S
Rien à redire
Ce que je préfère avec la MSI MPG A850GS PCIE5, c’est son fonctionnement très silencieux et sa qualité de fabrication. L’alimentation est entièrement modulaire, ce qui facilite énormément la gestion des câbles et permet d’obtenir un montage propre avec une meilleure circulation de l’air dans le boîtier. Les câbles gainés donnent également une finition soignée à l’ensemble. J’ai choisi cette alimentation parce qu’elle est compatible avec les dernières normes ATX 3.1 et PCIe 5.1, ce qui en fait un excellent choix pour une configuration moderne équipée d’une carte graphique récente. Sa certification 80 Plus Gold et sa garantie de 10 ans m’ont aussi donné confiance quant à sa fiabilité sur le long terme. Elle répond parfaitement à mes besoins et dépasse même mes attentes. Les 850 W offrent une bonne marge pour les composants actuels ainsi que pour de futures mises à niveau, tout en maintenant une excellente stabilité de l’alimentation. À mes yeux, ses principaux points forts sont son excellente efficacité énergétique, son fonctionnement discret, sa conception entièrement modulaire, ses câbles de qualité et sa compatibilité avec les technologies les plus récentes. Le seul petit point à améliorer serait d’inclure davantage d’attaches ou d’accessoires pour le rangement des câbles. Dans l’ensemble, c’est une alimentation fiable, performante et de grande qualité que je recommande sans hésitation.
Y**I
Maravilhosa!
Produto super silencioso e potente. Organização dos cabos excepcional! MSI top.
C**.
excelente producto
muy buen producto llego en perfecto estado
S**O
DAÑADA
Me salió dañada y tal parece que me dañó mi computadora, tendré que llevar mi placa y gráfica con un técnico…😔
B**.
Efficient and simple
Really like this power source. Seems very power efficient. It is quiet. The modular design is a great feature. No extra messy cables you do not need. Quality seems very good. Performing very good. Thanks!
Trustpilot
2 weeks ago
1 month ago