MSI MAG A750BN PCIE5 750W 80+ Bronze PCIe 5.0 ATX 3.0 Non-Modular Power Supply Unit

750W Non-Modular ATX 3.0 PSU — 80 PLUS Bronze (up to 85% efficiency), Single +12V Rail (750W), Native PCIe 5.0 16‑Pin (300W) Connector, DC‑to‑DC Power Design, 120mm Low-Noise Fan, Active PFC, 5-Year Warranty.

The MSI MAG A750BN PCIE5 is a 750W 80 PLUS Bronze power supply designed for modern mid‑ to high‑end gaming PCs with RTX 40‑series graphics cards. It is PCIe 5.0 ready with a native 16‑pin (12VHPWR) connector rated up to 300W, and complies with the ATX 3.0 standard for better power excursion handling. A single +12V rail, DC‑to‑DC design, 120mm fan, and full industrial‑grade protection deliver stable and efficient power, while the non‑modular design keeps cost in check for value‑focused builds.[web:406][web:407][web:409][web:410][web:414][web:412]

>PCIe 5.0 Ready (16‑Pin) — Native PCIe 5.0 16‑pin connector (up to 300W) supports RTX 4070‑class GPUs and other PCIe 5.0 cards without adapters (some higher‑end models excluded per MSI note).[web:406][web:407][web:414][web:413] >ATX 3.0 Compliance — Designed to meet ATX 3.0 requirements, improving transient response and handling GPU power excursions more reliably.[web:410][web:418] >80 PLUS Bronze Efficiency — Up to 85% efficiency at typical loads reduces heat and power draw, improving overall system efficiency.[web:407][web:409][web:414] >Single +12V Rail — Provides the full 750W on a single +12V rail for robust CPU/GPU power delivery in gaming and content creation workloads.[web:406][web:414][web:413] >DC-to-DC Power Design — DC‑to‑DC conversion for minor rails improves voltage stability and lowers ripple for sensitive components.[web:406][web:407][web:414][web:412] >120mm Low-Noise Fan — 120mm sleeve bearing fan balances cooling and acoustics for quiet everyday and gaming use.[web:406][web:414][web:412] >Active PFC — Active power factor correction enhances input power quality and reduces wasted reactive power.[web:406][web:407][web:414] >Industrial-Grade Protections — OVP, OCP, OPP, OTP, SCP (and UVP on some datasheets) protect the PSU and connected hardware from electrical faults.[web:406][web:407][web:414][web:415] >Non-Modular Design — Permanently attached cables provide all necessary connectors while keeping the unit affordable for mainstream builds.[web:407][web:414][web:412] >5-Year Warranty — Backed by MSI with a 5‑year limited warranty for long‑term reliability.[web:407][web:412][web:415]