MSI MAG A750BN PCIE5 750W 80 Plus Bronze Non Modular ATX Power Supply

The MSI MAG A750BN PCIE5 is a 750-watt ATX form-factor power supply designed for desktop PC builds that demand reliable, stable power delivery. Positioned in MSI's MAG gaming line, it carries an 80 PLUS Bronze efficiency certification, meaning it achieves up to 85% efficiency under typical load conditions — reducing wasted energy and heat output compared to uncertified units. One of the standout features of the MAG A750BN PCIE5 is its PCIe 5.0 ready 16-pin connector, capable of delivering up to 300W to compatible graphics cards. This makes it a practical option for builds centred around modern GPUs such as the RTX 4070 series. In addition, two PCIe 6+2-pin connectors are included to support a wide range of current-generation graphics cards. The unit uses a DC-to-DC circuit design, which helps regulate output voltage more tightly across the +12V, +5V, and +3.3V rails, contributing to overall system stability. Active Power Factor Correction (Active PFC) further improves power efficiency by minimising reactive power draw from the mains supply. Cooling is handled by a single 120mm fan, which balances thermal dissipation against acoustic output, keeping noise levels manageable during typical workloads. The non-modular cable configuration means all cables are permanently attached, which is common in value-oriented builds where simplicity and cost efficiency take priority over cable management flexibility. Comprehensive protection circuitry is built in, covering Over Current Protection (OCP), Over Voltage Protection (OVP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short Circuit Protection (SCP) — five hardware safeguards that protect both the PSU and connected components from electrical faults. Verified Specifications: - Model: MSI MAG A750BN PCIE5 - Form Factor: ATX - Maximum Power Output: 750W - Efficiency Certification: 80 PLUS Bronze (up to 85%) - Fan Size: 120mm - PFC: Active PFC - PCIe 5.0 Connector (16-pin): 1 × 300W - PCIe Connectors (6+2-pin): 2 - Input Voltage: 100–240V AC - Input Frequency: 50Hz–60Hz - Protections: OCP, OVP, OPP, OTP, SCP - Dimensions: 140mm × 150mm × 86mm (5.51 × 5.9 × 3.38 in) - Cable Management: Non-Modular - Brand: MSI