MSI MAG A750GL PCIE5 750W Power Supply — ATX 3.1 Full Modular, 80 PLUS Gold Efficiency, Native PCIe 5.1 16-pin Cable (450W), Supports NVIDIA GeForce RTX 40 Series, 120mm Fluid Dynamic Bearing Fan, Multiple Protection Features

General Information

The MSI MAG A750GL PCIE5 750W Full Modular Power Supply is a high-performance, 80 PLUS Gold-certified PSU designed for modern gaming PCs and high-end workstations . It features native PCIe 5.0 support , full modular cabling , and comprehensive protection features , making it ideal for systems with NVIDIA GeForce RTX 40 Series and future-proof PCIe 5.0 GPUs .

With LLC full bridge topology and DC-DC conversion modules , this PSU ensures stable and efficient power delivery across all rails. The fluid dynamic bearing fan provides quiet operation while maintaining effective cooling under load.

Power & Efficiency

• Rated Wattage: 750W continuous output
• Power Excursion Capability: Up to 1500W (200% rated power) for 100μs bursts – ideal for sudden spikes from high-end GPUs
• Efficiency Rating: 80 PLUS Gold – up to 90% efficiency at typical loads
• Energy Savings: Reduces heat generation and power waste
• Topology: LLC full bridge + DC-DC conversion – ensures stable voltage and efficient power delivery
• ATX 3.1 Compliance: Supports PCIe 5.0 standards and modern motherboard requirements

Connectors & Compatibility

• Motherboard Connector:
  • 1 x 24-pin ATX – standard for modern motherboards
• CPU Connectors:
  • 2 x 8-pin (4+4) EPS – dual CPU power for high-end CPUs
• GPU Connectors:
  • 1 x PCIe 5.0 (16-pin) – native support for RTX 40/50 Series GPUs
    • Delivers up to 450W per connector
    • Dual-color cable for easy connection verification
  • 3 x 6+2-pin PCIe – for older or additional GPUs
• Storage Connectors:
  • 8 x SATA – for SSDs, HDDs, and optical drives
  • 4 x Molex – for case fans, hard drives, and other peripherals
  • 1 x FDD – for legacy floppy drives (rarely used today)
• Modular Design:
  • Full modular – only connect needed cables
  • Flat, low-profile cables for better airflow and cleaner build

Cooling & Thermal Management

• Fan Size: 120mm fluid dynamic bearing (FDB) fan
• Noise Level:
  • Low noise under light loads
  • Smart fan control adjusts speed based on temperature
• Thermal Protection:
  • Over Temperature Protection (OTP) – shuts down if internal temp exceeds safe limit
  • Thermally optimized design for long-term reliability

Protection Features

This PSU includes industrial-grade protection circuits to ensure system safety:

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

These features protect your components from voltage spikes, short circuits, and overheating .

Design & Build Quality

• Form Factor: ATX 3.1 – compatible with modern cases and future PCIe 5.0 standards
• Dimensions: 140 x 150 x 86 mm – fits most standard ATX cases
• Cable Management:
  • Flat, braided cables for neat routing and improved airflow
  • No cable clutter in the case
• Build Material:
  • High-quality steel chassis for durability
  • Reinforced connectors for long-term reliability