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MSI

MSI MAG 650W 80 PLUS Gold Fully Modular ATX 3.1 PCIe 5.1 Power Supply

MSI MAG 650W 80 PLUS Gold Fully Modular ATX 3.1 PCIe 5.1 Power Supply

SKU:4711377292306

Regular price £100.01 GBP
Regular price Sale price £100.01 GBP
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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.
  • PCIe 5.1 Compatible: Native 12V-2x6 power connector included.
  • RTX 50 Series Support: Ready for the latest NVIDIA graphics cards.
  • 650W Output: Suitable for mainstream gaming and productivity systems.
  • 1430W Peak Power Handling: Excellent transient power capability.
  • 80 PLUS Gold Certified: High efficiency operation.
  • Fully Modular Design: Cleaner builds and improved airflow.
  • 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