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Black non-modular ATX power supply with 120 mm fan and embossed jacket cables

MSI

MSI MAG A650BN PCIE5 III 650W power supply

SKU CH-MG5V-D21SC MPN MAG A650BN PCIE5 III

A 650 W ATX 3.1 power supply with a native 12V-2x6 connector delivering up to 300 W to PCIe 5.1 graphics cards, 80 PLUS Bronze efficiency up to 85 %, a 120 mm hydraulic bearing fan.

  • Max wattage650 W
  • Modular cablingNo
  • Fan configuration1 × 120 mm
  • Power factor correctionActive
  • Efficiency certification80 PLUS Bronze (up to 85%)
  • Built-in protectionOVP, OCP, SCP, OPP, UVP

Model ATX 80+ Bronze (650W) PCIE5 III

  • Ready for latest GPUs with native 12V-2x6 connector delivering up to 300W
  • Handles heavy load spikes through ATX 3.1 design supporting double total power excursions
  • Cuts electricity waste with 80 PLUS Bronze certification reaching 85% efficiency
  • Protects components using five industrial-grade safeguards including OVP and OCP
  • Fits compact builds at 140mm x 150mm x 86mm cooled by a 120mm fan

650W ATX 3.1 power supply

The MSI MAG A650BN PCIE5 III delivers 650 W of continuous power for mainstream gaming desktops. It carries 80 PLUS Bronze certification with up to 85 percent efficiency. A single 120 mm hydraulic bearing fan provides cooling. The unit is non-modular with embossed jacket cables and includes a native 12V-2x6 connector for modern graphics cards.

ATX 3.1 excursion limits

ATX 3.1 compliance means the supply can absorb up to 2x total power excursions and 3x GPU power excursions. The 12V-2x6 connector is rated to provide up to 300 W to a PCIe 5.1 graphics card. Input voltage ranges from 100 to 240 V at 50 to 60 Hz. Active PFC and DC-to-DC design maintain stable output under load.

Native 12V-2x6 connector

The deciding specification is the native 12V-2x6 connector rated for 300 W, which determines whether the unit can power a PCIe 5.1 graphics card without an adapter. Protection circuitry includes OVP, OCP, SCP, OPP and UVP. Dimensions are 140 mm by 150 mm by 86 mm.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $52.99
Cheaper than about 90% of the 10,869 comparable items (median $142.99).
Max wattage 650 W
Lower than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameMSI
Model nameMAG A650BN PCIE5 III
Product colorBlack
Power
Max wattage650 W
Modular cablingNo
Power factor correctionActive
Efficiency certification80 PLUS Bronze (up to 85%)
Built-in protectionOVP, OCP, SCP, OPP, UVP
Supply voltage100–240 V
AC input frequency50-60 Hz
Size & build
Product dimensions140 mm × 150 mm × 86 mm / 5.51 × 5.9 × 3.38 in
Shipping weight2.13 kg
Package size267 × 191 × 102 mm
More details
Fan configuration1 × 120 mm

Other versions of this model

4 more in the same range

Questions about this item

Will the native 12V-2x6 connector power a modern graphics card without an adapter?

Yes, the native 12V-2x6 cable delivers up to 300 W directly to a PCIe 5.1 graphics card, eliminating the need for a separate adapter.

Does the non-modular design leave unused cables inside a smaller chassis?

The unit measures 140 mm deep and 150 mm wide, so verify your case clearance; all cables are fixed, so plan routing for any connectors you will not use.

What protections are built in against power irregularities?

The supply includes over-voltage, over-current, short-circuit, over-power and under-voltage protection circuits to safeguard connected components.

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