MSI MAG 650W 80 PLUS Gold Fully Modular ATX 3.1 PCIe 5.1 Power Supply
Key Highlights:
- 650W Continuous Power Output
- 1430W Peak Power Handling
- 80 PLUS Gold Certified Efficiency
- ATX 3.1 & PCIe 5.1 Compatible
- Native 12V-2x6 PCIe Power Connector
- Fully Modular Cable Design
- Built for NVIDIA RTX 50 Series GPUs
- 135mm Fluid Dynamic Bearing Fan
Product Description
Ready for Next-Generation Gaming and AI Systems
The MSI MAG 650W Power Supply is engineered to support modern gaming PCs, AI-powered desktops and next-generation graphics cards. Featuring ATX 3.1 compliance and PCIe 5.1 support with a native 12V-2x6 connector, it is designed to handle the demanding power requirements of NVIDIA RTX 50 Series GPUs and future hardware platforms.
Reliable Power Delivery
Delivering 650W of continuous output and capable of handling peak loads up to 1430W, this PSU is built to maintain stable operation during gaming, streaming and demanding productivity workloads. Its powerful single +12V rail provides efficient power distribution to CPUs and GPUs.
80 PLUS Gold Efficiency
With up to 90% efficiency and 80 PLUS Gold certification, the power supply reduces wasted energy, lowers heat output and helps improve overall system efficiency while reducing electricity consumption.
Advanced Cooling and Durability
A high-quality 135mm Fluid Dynamic Bearing fan delivers efficient airflow with reduced noise and improved longevity. Combined with MSI's advanced thermal design, the PSU remains cool and reliable even during sustained workloads.
Fully Modular Flexibility
The fully modular cable design allows you to install only the cables required for your build, simplifying cable management, reducing clutter and improving airflow within the chassis.
Reasons to Buy
-
ATX 3.1 Ready: Built for modern and future PC platforms.
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PCIe 5.1 Compatible: Native 12V-2x6 power connector included.
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RTX 50 Series Support: Ready for the latest NVIDIA graphics cards.
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650W Output: Suitable for mainstream gaming and productivity systems.
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1430W Peak Power Handling: Excellent transient power capability.
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80 PLUS Gold Certified: High efficiency operation.
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Fully Modular Design: Cleaner builds and improved airflow.
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FDB Cooling Fan: Quiet and durable performance.
Technical Specifications
General
| Specification |
Value |
| Brand |
MSI |
| Series |
MAG |
| Product Type |
ATX Power Supply Unit |
| Form Factor |
ATX |
| Colour |
Black |
| Cabling Type |
Fully Modular |
Power Specifications
| Specification |
Value |
| Total Power Output |
650W |
| Peak Power Output |
1430W |
| Input Voltage |
100 - 240V AC |
| Input Frequency |
50 / 60Hz |
| Power Factor Correction |
Active PFC |
| Efficiency |
Up to 90% |
Power Rail Specifications
| Specification |
Value |
| Combined +12V Power |
648W |
| Combined +3.3V Power |
100W |
| Combined +5V Power |
100W |
| Combined -12V Power |
3.6W |
| Combined +5VSB Power |
12.5W |
| +3.3V Maximum Current |
18A |
Efficiency & Standards
| Specification |
Value |
| 80 PLUS Certification |
80 PLUS Gold |
| ATX Standard |
ATX 3.1 |
| PCIe Standard |
PCIe 5.1 |
| Purpose |
PC |
Connectors
| Specification |
Value |
| Motherboard Connector |
24-Pin ATX |
| EPS CPU Connectors |
2 x 4+4 Pin |
| Number of EPS Connectors |
2 |
| PCIe 6+2 Pin Connectors |
2 |
| PCIe 16-Pin (12V-2x6) |
1 |
| SATA Power Connectors |
5 |
| Molex Connectors |
2 |
Next-Generation Compatibility
| Specification |
Value |
| ATX 3.1 Ready |
Yes |
| PCIe 5.1 Support |
Yes |
| Native 12V-2x6 Connector |
Yes |
| NVIDIA RTX 50 Series Ready |
Yes |
| AI PC Ready |
Yes |
Cooling System
| Specification |
Value |
| Cooling Type |
Active |
| Fan Diameter |
135mm |
| Bearing Technology |
Fluid Dynamic Bearing (FDB) |
| Number of Fans |
1 |
| Advanced Thermal Design |
Yes |
Protection Features
| Specification |
Value |
| NLO |
No Load Operation Protection |
| OPP |
Over Power Protection |
| OTP |
Over Total Voltage Protection |
| OVP |
Over Voltage Protection |
| OCP |
Overcharge Protection |
| SCP |
Short Circuit Protection |
| SIP |
Surge & Inrush Protection |
| UVP |
Under Voltage Protection |
Physical Specifications
| Specification |
Value |
| Width |
150mm |
| Depth |
150mm |
| Height |
86mm |
| Package Type |
Retail Box |
Ideal Applications
- Mainstream Gaming PCs
- NVIDIA RTX 50 Series Systems
- AI-Enhanced Desktop PCs
- Streaming Setups
- Content Creation Workstations
- Productivity Computers
What's In The Box
- MSI MAG 650W ATX 3.1 Power Supply
- Native 12V-2x6 PCIe Power Cable
- Fully Modular Cable Set
- Power Cord
- Mounting Hardware
- User Documentation
Product Identifiers
| Identifier |
Value |
| Brand |
MSI |
| Series |
MAG |
| Power Output |
650W |
| Peak Power |
1430W |
| Efficiency Rating |
80 PLUS Gold |
| ATX Version |
ATX 3.1 |
| PCIe Version |
PCIe 5.1 |
| Modular Design |
Fully Modular |