80+ Bronze 650 Watt Power Supply
With the
MSI MAG A650BN, you get a 650 watt
80PLUS Bronze certified power supply that delivers stable voltages to all your components. It features active power factor correction and a DC-DC topology for reliability and stability. Industrial grade OVP, OCP, OPP, OTP, SCP, UVP protection and a 5 year warranty add even more peace of mind to the use of this power supply.
Main Specifications
| Specification |
Details |
| Brand |
MSI |
| Model |
MAG A650BN |
| Power Output |
650W |
| Form Factor |
ATX |
| Efficiency Certification |
80 PLUS Bronze |
| Efficiency |
Up to 85% |
| Modular |
No – fixed cables |
| Power Design |
DC-to-DC |
| PFC |
Active PFC |
| +12V Design |
Single rail |
| Cooling Fan |
120 mm |
| Fan Bearing |
Sleeve Bearing |
| Input Voltage |
100–240V AC |
| Input Frequency |
50–60 Hz |
| Dimensions |
140 × 150 × 86 mm (D × W × H) |
| Color |
Black |
Power Output
The MAG A650BN provides a 54A +12V rail rated at 648W, allowing the majority of the PSU’s available power to be delivered to the CPU and GPU. The +3.3V and +5V rails are rated at 20A each, with a combined output of 110W.
| Rail |
Maximum Current |
Maximum Power |
| +3.3V |
20A |
— |
| +5V |
20A |
— |
| +3.3V + +5V combined |
— |
110W |
| +12V |
54A |
648W |
| -12V |
0.3A |
3.6W |
| +5VSB |
2.5A |
12.5W |
| Total |
— |
650W |
Connectors
The PSU comes with permanently attached cables and provides the following connectors:
- 1 × ATX 20+4-pin motherboard connector
- 1 × EPS 4+4-pin CPU power connector
- 2 × PCIe 6+2-pin graphics card connectors
- 5 × SATA 15-pin connectors
- 2 × Molex 4-pin peripheral connectors
- 1 × FDD 4-pin connector
Cooling and Design
The MAG A650BN uses a 120 mm low-noise fan with a sleeve bearing for cooling. MSI specifies a DC-to-DC circuit design, intended to improve output-voltage stability, together with an active PFC circuit for improved power efficiency.
Protection Features
The power supply incorporates multiple protection mechanisms:
- OCP – Over Current Protection
- OVP – Over Voltage Protection
- OPP – Over Power Protection
- OTP – Over Temperature Protection
- SCP – Short Circuit Protection
Input Specifications
- Input voltage: 100–240V AC
- Input current: 10A maximum at 115V / 5A maximum at 230V
- Input frequency: 50–60 Hz
- PFC type: Active PFC
- Rated power: 650W
- Efficiency: 80 PLUS Bronze, up to 85%
Physical Specifications
- PSU type: ATX
- Dimensions: 140 × 150 × 86 mm
- Fan: 120 mm
- Fan bearing: Sleeve Bearing
- Cable configuration: Non-modular
- Color: Black
Key Features
-
- 650W continuous power output
- 80 PLUS Bronze efficiency certification
- Up to 85% efficiency
- Single +12V rail delivering up to 648W
- DC-to-DC circuit design
- Active PFC
- 120 mm low-noise sleeve-bearing fan
- Two PCIe 6+2-pin connectors
- Five SATA connectors
- Comprehensive OCP, OVP, OPP, OTP and SCP protection
- Compact ATX 140 × 150 × 86 mm design
- Non-modular fixed-cable configuration