MSI MPG A850GS PCIE5

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MSI MPG A850GS PCIE5
The MSI MPG A850GS computer power supply is designed to power the components of your PC build. It offers a power output of 850W and meets the ATX 3.1 standard. It's equipped with two native 12V-2×6 connectors for connecting modern graphics cards. The 80 PLUS Gold certification indicates an energy efficiency of up to 90% at typical loads, which helps reduce power consumption and waste heat.
Key technologies of the MSI MPG A850GS PCIE5 computer power supply
- Total power output of 850W
- 80 PLUS Gold certification for 90% efficiency
- Cybenetics A++ certification for very quiet operation
- Equipped with two native 12V-2x6 PCIE5 standard connectors
- Fully modular design lets you disconnect all cables
- Zero RPM fan ensures quiet operation at low loads
- Internal components use server-grade capacitors rated up to 105°C
Choosing a power supply
When choosing a suitable PC power supply, the key parameter besides the form factor is its power output. This indicates the maximum number of watts the power supply can continuously deliver to the components in your computer. It's a good idea to use an online calculator to determine the optimal power output based on your chosen components.
Quiet operation of the MSI MPG A850GS
Cooling is provided by a fan with fluid dynamic bearings. At low loads, the fan stops thanks to the Zero RPM function, and the power supply operates in a passive mode without active cooling. The noise level corresponds to the Cybenetics A++ certification across the entire load range. The internal design uses capacitors rated for an operating temperature of up to 105°C, which contributes to stable and long-term operation.
Modular cabling and modern connectivity
The power supply has a fully modular design, which lets you connect only the necessary cables. It includes two native 12V-2×6 PCIe 5 standard connectors for powering Nvidia GeForce RTX 50 series and older graphics cards. An integrated system of eight electrical protections (OVP, UVP, OCP, OPP, SCP, OTP, SIP, NLO) serves to protect the connected components during non-standard operating conditions.
Connectors
- 2 × 12V-2x6 16-pin
- 2 × CPU 8-pin / 4+4-pin
- 1 × PCI-E 8-pin / 6+2-pin
- 8 × SATA 15-pin
- 4 × Molex 4-pin
- 1 × ATX 24-pin
Package contents
- Computer power supply
- 1× Power cable
- 1× ATX 24-pin
- 2× EPS / ATX 12V 8-pin (4+4)
- 1× 12V-2×6 16-pin (12+4)
- 1× PCIe 8-pin (6+2)
- 2× SATA
- 1× SATA / PATA
80 Plus certification in the European market
The 80 Plus certification was created to objectively evaluate the efficiency of computer power supplies. This gives users a simple and clear way to compare different models. In the European market (where 230V is used), there are six levels of 80 Plus certification with set requirements for computer power supplies. Higher energy efficiency primarily means lower energy consumption.
| PC PSU load | Efficiency at 20% load | Efficiency at 50% load | Efficiency at 100% load |
|---|---|---|---|
| 80 PLUS | 82% | 85% | 82% |
| 80 PLUS Bronze | 85% | 88% | 85% |
| 80 PLUS Silver | 87% | 90% | 87% |
| 80 PLUS Gold | 90% | 92% | 89% |
| 80 PLUS Platinum | 92% | 94% | 90% |
| 80 PLUS Titanium | 94% | 96% | 94% |
Specifications
Performance and format
Equipment
Efficiency
Connectors
Cooling system
Micro-Star International Co Ltd. C/O MSI Computer Europe BV, Science Park Eindhoven 5706, 5692 ER, Son, Netherlands, [email protected]
The Taiwanese company MSI (Micro-Star International) has earned a solid place in the world of IT, mainly producing motherboards for desktop computers. However, it also produces high quality graphics cards, barebone computers, notebook computers, networking products, servers, and many other computer components. MSI products support the latest technologies and provide the performance necessary for all applications. Recently, the company has begun making a name for itself in the growing segment of gaming notebooks.
Specifications can be changed without notice. Images are for illustrative purposes only.

