MSI MAG SERIES POWER SUPPLY
MSI MAG A850GL PCIE5 850W 80 PLUS Gold Power Supply
Modern power delivery for gaming PCs, featuring ATX 3.1 readiness, PCIe 5.1 compatibility, a native 600W-capable 16-pin GPU cable and fully modular flat cabling.
Technical Specifications
Specifications are based on MSI's official MAG A850GL PCIE5 documentation. Connector counts describe the available connections; check the included cable layout and your component requirements before installation.
Features & Technology
ATX 3.1 Ready
Designed to support modern system power demands, including defined power excursions under the ATX 3.1 power-supply design requirements.
Native 16-Pin GPU Cable
The dual-colour 16-pin connector helps users visually check that the connector is fully inserted. Its cable is rated for up to 600W with compatible GPUs.
80 PLUS Gold Efficiency
Gold certification indicates efficient power conversion under defined test conditions, helping reduce energy lost as heat compared with less efficient designs.
Full Modular Flat Cables
Connect only the cables your build needs. Flat cabling can simplify routing behind the motherboard tray and help maintain a cleaner interior.
Fluid Dynamic Bearing Fan
The 120mm FDB fan is designed to balance cooling performance with noise levels during normal PSU operation.
Comprehensive Protection
Over-current, over-voltage, over-power, over-temperature, short-circuit and under-voltage protection help safeguard compatible system components.
LLC Full Bridge and DC-to-DC Design
MSI combines LLC full-bridge topology with DC-to-DC conversion to support efficient power conversion, stable voltage regulation and responsive power delivery across different system loads.
Recommended Use Cases
Gaming PCs
Suitable for compatible gaming configurations using modern CPUs and graphics cards within the PSU's power and connector capabilities.
Modern GPU Builds
The native 16-pin cable supports compatible graphics cards requiring a 12VHPWR or 12V-2x6-style connection, subject to the exact GPU specification.
Content Creation
A power option for compatible workstations used for video editing, 3D rendering, development and demanding creative applications.
Clean Custom Builds
Fully modular cabling and a compact 140mm PSU depth help with cable management in compatible ATX cases.
Before You Buy
- Confirm the recommended PSU wattage for your exact CPU and GPU combination, including peak power requirements.
- The native 16-pin cable is rated for up to 600W. Confirm that your graphics card supports the connector and follow its manufacturer's installation instructions.
- Insert the 16-pin connector fully and check that it is securely seated before powering on the system. Avoid tight bends or sideways pressure close to the connector.
- Use only the modular cables supplied with this PSU or cables explicitly confirmed by MSI as compatible with the exact model. Modular PSU cables are not universally interchangeable.
- Check the case's PSU clearance and available room for cable routing. The PSU dimensions are 140 × 150 × 86mm.
- For Indian purchases, confirm the seller's warranty coverage and service process before ordering.
Frequently Asked Questions
1. Is the MSI MAG A850GL a fully modular power supply?
Yes. It is fully modular, so the required power cables can be connected individually. This helps simplify cable routing and keeps unused cables out of the build.
2. Does the MSI MAG A850GL support ATX 3.1?
Yes. MSI's current product documentation describes the MAG A850GL PCIE5 as ATX 3.1 ready and PCIe 5.1 ready. Older documentation may describe the original model as ATX 3.0 compatible, so check the documentation supplied with the exact unit.
3. Does it include a native 16-pin GPU power cable?
Yes. The PSU includes a native 16-pin PCIe GPU cable rated for up to 600W. Check the exact graphics card's connector type and power requirements for compatibility.
4. What is the efficiency rating of this PSU?
The MSI MAG A850GL PCIE5 carries 80 PLUS Gold certification, with advertised efficiency of up to 90% under specified conditions. Actual efficiency varies with load and input conditions.
5. How many SATA and PCIe connectors are available?
MSI lists eight SATA connectors, four PCIe 6+2-pin connectors and one native 16-pin PCIe GPU connector. The unit also includes two EPS 4+4-pin CPU connections.
6. Is 850W enough for a high-performance gaming PC?
It can be suitable for many high-performance configurations, but suitability depends on the exact processor, graphics card, other components and power excursions. Check the manufacturers' recommended PSU requirements.
7. What cooling fan does the MSI MAG A850GL use?
It uses a 120mm Fluid Dynamic Bearing fan designed to balance cooling performance and noise levels.
8. What protections are built into the PSU?
MSI lists over-current (OCP), over-voltage (OVP), over-power (OPP), over-temperature (OTP), short-circuit (SCP) and under-voltage (UVP) protection.
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