Overview

MSI MAG A650BN PCIE5 III 650W 80 Plus Bronze ATX Power Supply
The MSI MAG A650BN PCIE5 III is a reliable 650W ATX power supply designed for modern gaming and performance desktop systems. As part of MSI's MAG series, it combines stable power delivery, durable construction, and efficient cooling to support demanding hardware with confidence. Built with ATX 3.1 and PCIe 5.1 compatibility, it is ready for current and next-generation graphics cards while maintaining excellent efficiency through its 80 PLUS Bronze certification.

Description

The MSI MAG A650BN PCIE5 III delivers dependable 650W power for gaming PCs and productivity systems. Designed with ATX 3.1 compliance, PCIe 5.1 support, DC-to-DC power conversion, and Active PFC, it provides stable and efficient performance for modern processors and graphics cards. Its native 12V-2x6 connector, hydraulic bearing cooling fan, and comprehensive protection technologies make it an excellent choice for users building or upgrading a reliable desktop PC.

Features

Built for Modern Gaming Systems
Designed to meet the latest hardware requirements, the MSI MAG A650BN PCIE5 III supports the ATX 3.1 power supply standard and PCIe CEM 5.1 specification. It is capable of handling demanding power excursions, making it suitable for today's powerful graphics cards and processors.

The included native 12V-2x6 connector delivers up to 300W directly to compatible GPUs while also providing traditional PCIe power connectors for broader graphics card compatibility.

80 PLUS Bronze Efficiency
With 80 PLUS Bronze certification, this power supply helps reduce unnecessary power consumption while maintaining efficient operation under varying workloads. Improved efficiency means less wasted energy and lower heat generation, contributing to overall system stability.

Reliable Power Delivery
A DC-to-DC power design ensures accurate voltage regulation across connected components, while the single +12V rail delivers consistent power where modern CPUs and graphics cards need it most.

The unit also includes Active Power Factor Correction (Active PFC) for improved electrical efficiency and dependable system operation.

Optimised Cooling and Cable Design
A quiet 120mm hydraulic bearing fan provides effective airflow to maintain stable operating temperatures during gaming or heavy workloads.

The matte black flat cables improve airflow inside the chassis while making cable routing cleaner and easier during installation. The premium cable construction offers increased flexibility for more convenient cable management.

The dual-colour 12V-2x6 connector makes installation easier by allowing users to quickly confirm the connector is fully seated.

Protection for Long-Term Reliability
The MSI MAG A650BN PCIE5 III incorporates multiple industrial-grade safety protections to safeguard valuable PC components against electrical faults.

Protection technologies include:

• Over Voltage Protection (OVP)
• Over Current Protection (OCP)
• Short Circuit Protection (SCP)
• Over Power Protection (OPP)
• Under Voltage Protection (UVP)

Copper alloy connector terminals and high-quality cable construction further enhance durability and provide secure electrical connections.

Power Connectors
The power supply includes everything required for a wide range of modern desktop builds:

• 1 x 24-pin ATX motherboard connector
• 2 x 4+4-pin EPS CPU connectors
• 1 x 16-pin PCIe 5.1 (12V-2x6 ) connector with 300W capacity
• 2 x PCIe 6+2-pin connectors
• 3 x SATA power connectors
• 2 x Peripheral (4-pin) connectors

Technical Details

• Model: MSI MAG A650BN PCIE5 III
• Part Number / SKU: MAG A650BN PCIE5 III
• Power output: 650W
• Efficiency rating: 80 PLUS Bronze
• Form factor: ATX
• Cooling fan: 120mm hydraulic bearing
• Power design: DC-to-DC
• Active PFC: Yes
• ATX 3.1 compliant
• PCIe CEM 5.1 ready
• Native PCIe 12V-2x6 connector (300W)
• Single +12V rail
• Non-modular flat black cables

Why Choose the MSI MAG A650BN PCIE5 III
Whether you are building a new gaming PC or upgrading an existing system, the MSI MAG A650BN PCIE5 III offers dependable power, efficient operation, and compatibility with the latest graphics hardware. Its combination of modern standards, robust safety protections, efficient cooling, and versatile connector options makes it a dependable foundation for today's desktop computers.

Specifications

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Specifications
Product Code	MAG A650BN PCIE5 III
Efficiency Rating	80 PLUS Bronze (up to 85%)
Modular	No
Fan Size	120 mm
Fan Bearing	Hydrualic Bearing
Dimensions (DxWxH)	140mm x 150mm x 86mm / 5.51 x 5.9 x 3.38 inches
PFC Type	Active PFC
Input Voltage Range	100-240V~
Power Watt	650W
Power Excursion	200%
Input Frequency Range	50-60Hz
Protection	OVP, OCP, SCP, OPP, UVP
ATX (24 pin)	1
EPS (4+4 pin)	2
PCI-E 5.1 (16 pin)	1 (300W)
PCI-E (6+2 pin)	2
SATA (15 pin)	3
PERIPHERAL (4 pin)	2