MSI MAG A750GN PCIE5 750W ATX 3.1 80 Plus Gold Non-Modular Power Supply
MPN MAG-A750GN-PCIE5 · Brand MSI
MSI MAG A750GN PCIE5 delivers 750W of continuous ATX 3.1 power with 80 Plus Gold efficiency, a native PCIe 5.1 connector, and DC-to-DC design for stable voltage — ready for RTX 40 and 50 series GPUs
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Overview
The MSI MAG A750GN PCIE5 is a 750W non-modular ATX power supply built around the ATX 3.1 standard and PCIe CEM 5.1 compliance, making it a forward-compatible choice for builders pairing it with NVIDIA RTX 40 or RTX 50 series graphics cards. Its 80 PLUS Gold certification means the unit achieves up to 90% energy efficiency under typical loads, helping to reduce waste heat inside the chassis and keep electricity costs in check over time. Power delivery is handled through a single +12V rail topology, which simplifies load distribution and offers robust, uninterrupted current to both the CPU and GPU simultaneously. The PSU is built with DC-to-DC conversion circuitry, a design approach that improves voltage regulation across the minor rails (+3.3V and +5V) and contributes to overall system stability — important for sustained workloads in gaming, content creation, and workstation use cases. For CPU power, the unit includes dual 4+4-pin EPS connectors, accommodating high-performance processors that draw significant 12V current. The native PCIe 5.1 connector removes the need for any adapter when connecting to the latest generation graphics cards, and the PSU is rated to handle up to 2× total power excursion and 3× GPU power excursion as defined in Intel's Power Supply Design Guide ATX 3.1 — an important margin for GPUs with transient power spikes. Cooling is managed by a 120mm sleeve bearing fan that regulates airflow according to system load. All cables are black flat-ribbon style, which are flexible and easier to route compared to traditional round cables, easing cable management in mid-tower and full-tower cases. Verifiable Specifications: • Rated Output Power: 750W continuous • ATX Standard: ATX 3.1 / Intel PSDG compliant • GPU Connector Standard: PCIe CEM 5.1 (native connector) • Efficiency Rating: 80 PLUS Gold (up to 90% efficiency) • Rail Design: Single +12V rail • Topology: DC-to-DC conversion • CPU Connectors: Dual 4+4-pin EPS • Fan Size: 120mm sleeve bearing • Cable Type: Non-modular, flat black cables • Form Factor: ATX • Colour: Black • Compatible GPUs: NVIDIA RTX 40 series, RTX 50 series
