MSI MAG A750BN PCIE5 750W Power Supply














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MSI MAG A750BN PCIE5 750W · 80 PLUS Bronze · 16-pin PCIe 5.0
The MAG A750BN PCIE5 is MSI's 750W, 80 PLUS Bronze unit (up to 85% efficiency) with a native 16-pin PCIe 5.0 connector rated at 300W, so a current graphics card plugs in without an adapter. A single +12V rail delivers 62.5 A, the full 750W. MSI pairs an Active PFC stage with a DC-to-DC design for steadier output voltages, protects the system with OCP, OVP, OPP, OTP and SCP, and cools it with a 120 mm low-noise fan in a standard 140 × 150 × 86 mm ATX body.
Mid-Range Gaming Builds
MSI rates the 300W 16-pin PCIe 5.0 port for RTX 4070-class graphics cards, and two extra 6+2-pin PCI-E connectors cover cards that still use the older plugs.
Straightforward Everyday PCs
A fixed, non-modular harness means nothing to lose or mismatch: two 4+4-pin CPU cables, five SATA, two Molex and one FDD connector come already attached.
Power Architecture & Thermal Highlights
120 mm Low-Noise Fan
The fan face shows the 120 mm sleeve-bearing fan behind a slotted grille, with MSI's dragon emblem at the hub. MSI tunes it to keep noise down while still clearing heat from the 750W unit.
AC Inlet, Switch and Honeycomb Exhaust
The rear panel carries the AC inlet and the main power switch inside a honeycomb vent. Input is 100–240 V, 50–60 Hz, conditioned by an Active PFC stage before the DC-to-DC conversion.
MAG Side Panel
The side panel carries the MAG logo between angled, military-inspired stripes. This is the face you see through a case window, finished to match MSI's MAG cases, boards and coolers.
Fixed, Non-Modular Harness
Every cable is permanently attached and leaves through one sleeved exit: 20+4-pin motherboard, 2 × 4+4-pin CPU, the 16-pin PCIe 5.0 GPU lead, 2 × 6+2-pin PCI-E, 5 × SATA, 2 × Molex and 1 × FDD.
Recommended Component Synergy
Processors (CPUs)
Continuous clean power delivery for multi-threaded CPUs under maximum boost.
Graphics Cards (GPUs)
Native 12V-2x6 single-cable feeding RTX 40 & 50 series graphics cards.
Motherboards
Dual EPS 8-pin connectors to feed reinforced VRM power stages.
PC Cases
Compact chassis length ensuring generous cable management clearance.
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Comprehensive Hardware Specifications
| Model | MSI MAG A750BN PCIE5 |
| Power | 750W |
| Efficiency Rating | 80 PLUS Bronze (up to 85%) |
| Modular | No (fixed cables) |
| DC Output | +12V 62.5 A (750W) · +5V 20 A · +3.3V 20 A (120W combined) · −12V 0.3 A · +5Vsb 2.5 A |
| Input | 100–240 V AC, 10–5 A, 50–60 Hz |
| PFC Type | Active PFC |
| Design | DC-to-DC |
| Motherboard | 1 × ATX 24-pin (20+4) |
| CPU | 2 × EPS 8-pin (4+4) |
| PCI-E 5.0 | 1 × 16-pin (300W) |
| PCI-E | 2 × 8-pin (6+2) |
| SATA / Molex / FDD | 5 × SATA · 2 × Molex · 1 × FDD |
| Fan | 120 mm, sleeve bearing |
| Protection | OCP, OVP, OPP, OTP, SCP |
| Dimensions | 140 × 150 × 86 mm |
