MSI MAG A750GN PCIE5 750W ATX 3.1 Gold Non-Modular Power Supply

The MSI MAG A750GN PCIE5 is a 750-watt non-modular ATX 3.1 power supply built for modern gaming and productivity systems that demand reliable, efficient power delivery. Certified 80 Plus Gold, it delivers up to 90% efficiency under typical loads, helping reduce energy waste and keep operating temperatures in check during extended sessions. At its core, the MAG A750GN PCIE5 features a native PCIe 16-pin (12VHPWR) connector compliant with the PCIe CEM 5.1 standard, rated for up to 450W of GPU power delivery. This makes it directly compatible with NVIDIA GeForce RTX 40 and RTX 50 series graphics cards without requiring adapters, ensuring more stable and secure power transfer. The unit also supports ATX 3.1 power excursion specifications, handling up to 1500W transient spikes (200% of rated power for 100 microseconds) and up to 3x GPU power excursion, critical for the bursty power draw of high-performance discrete GPUs. The DC-to-DC converter design with Full Bridge Topology ensures tightly regulated voltages across all rails, contributing to system stability even under demanding workloads. A single +12V rail configuration simplifies power distribution and supports both high-end CPUs and discrete graphics without rail balancing concerns. Dual 4+4-pin EPS connectors provide ample headroom for current and next-generation Intel and AMD processors. Cooling is handled by a 120mm sleeve bearing fan tuned to a quiet-first curve, maintaining noise below 20 dBA at up to 70% load — a thoughtful balance for home office and gaming environments. The 105°C-rated main capacitor is sourced to withstand high thermal and voltage stress, supporting long-term reliability. Cables are flat and black, easing cable management inside compact and mid-tower chassis. A comprehensive protection suite — Over Voltage (OVP), Over Current (OCP), Over Power (OPP), Over Temperature (OTP), and Short Circuit (SCP) — guards components against electrical faults. Verified Specifications: - Rated Power: 750W | Power Excursion: 1500W (up to 100µs) - Efficiency: 80 Plus Gold (up to 90%) - Form Factor: ATX 3.1 | Dimensions: 140 × 150 × 86 mm (D×W×H) - PFC: Active PFC | Input: 100–240 VAC, 47–63 Hz - Fan: 120mm Sleeve Bearing, <20 dBA at ≤70% load - Main Capacitor Rating: 105°C - Connectors: 1× ATX 24-pin, 2× EPS 4+4-pin, 1× PCIe 5.1 16-pin (450W), 2× PCIe 6+2-pin, 4× SATA 15-pin, 2× Peripheral 4-pin - Modular: Non-modular - Protection: OVP, OCP, OPP, OTP, SCP - Warranty: 5 Years - Series: MSI MAG Series