MSI
MSI MAG A650BN 650W power supply
Compact 650 W ATX unit with 80 Plus Bronze efficiency, a 120 mm low-noise fan, active PFC, DC-DC design and full protection circuits
- ColorBlack
- TypeIntel ATX 12V
- Maximum Power650 W
- Fans1 x 120 mm
- PFCActive
- Max PSU Length140 mm
Options ATX 80+ Bronze (650W)
- 80 PLUS Bronze certification reduces energy waste and cuts running costs
- 120 mm sleeve-bearing fan keeps temperatures low while staying quiet
- DC-to-DC circuit design steadies voltage rails for stable power delivery
- Five protection circuits (OCP, OVP, OPP, OTP, SCP) guard components against faults
- 140 mm compact length fits tight cases without cable clutter
Entry-level 650 W ATX power supply
The MSI MAG A650BN delivers 650 W of continuous power for mainstream desktop builds. It targets first-time builders who need a straightforward, reliable unit without modular cables. The 80 PLUS Bronze rating means typical efficiency above 80 percent at common loads. A single 12 V rail rated at 54 A supplies the bulk of system power.
Fixed-cable layout fits compact cases
All cables are permanently attached, so there are no extra connectors to lose or route. The 140 mm depth leaves room in smaller chassis, but the stiff 24-pin bundle can be tight behind the motherboard tray. Builders should plan the EPS and PCIe routes before seating the board. The sleeve-bearing 120 mm fan spins up only when needed.
Steady output under prolonged load
DC-to-DC circuitry keeps the 12 V rail stable during extended gaming or rendering sessions. Active PFC corrects the input current across 100 to 240 V mains, reducing harmonic distortion. Protection circuits cover over-current, over-voltage, over-power, over-temperature and short-circuit events. The Bronze-rated platform maintains efficiency without excessive heat buildup over hours of use.
Highlights
- 80 PLUS Bronze certification reduces energy waste and cuts running costs
- 120 mm sleeve-bearing fan keeps temperatures low while staying quiet
- DC-to-DC circuit design steadies voltage rails for stable power delivery
- Five protection circuits (OCP, OVP, OPP, OTP, SCP) guard components against faults
- 140 mm compact length fits tight cases without cable clutter
Specifications
| Brand | MSI |
|---|---|
| Model | MAG A650BN |
| Color | Black |
| Type | Intel ATX 12V |
| Maximum Power | 650 W |
| Fans | 1 x 120 mm |
| PFC | Active |
| Max PSU Length | 140 mm |
| Energy-Efficient | 80 PLUS BRONZE Certified |
| Protection | OCP / OVP / OPP / OTP / SCP |
| Input Voltage | 100 - 240 V |
| Input Frequency Range | 50/60 Hz |
| Input Current | 115Vac/10.0A max. 230Vac/5.0A max. |
| Output | +3.3V@20A, +5V@20A, +12V@54A, [email protected] , [email protected] |
| Connectors | 1 x 24 pin (20+4) ATX 1 x 8 pin (4+4) EPS (CPU) 2 x 8 pin (6+2) PCIe 5 x SATA 2 x Molex 1 x FDD |
| Dimensions | 3.39" x 5.91" x 5.51" |
| Weight | 4.37 lbs |
| Shipping weight | 2.09 kg |
| Package size | 249 × 185 × 109 mm |
Other versions of this model
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Questions about this item
Will this 140 mm long unit fit in my compact case?
The power supply measures 140 mm in length, so verify your chassis clearance before buying.
Does the non-modular cable set include enough connectors for a mid-range GPU and several drives?
It ships with two 8-pin (6+2) PCIe plugs, five SATA connectors, two Molex plugs and one FDD lead.
What protections guard my components against power faults?
Built-in safeguards cover over-current, over-voltage, over-power, over-temperature and short-circuit events.
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