Bench log · 205 components reviewed across 12 slotsReader-supported: we may earn from qualifying Amazon purchases
MSI MAG A750BN 750WPSU

PSUPower Supplies·MSI

MSI MAG A750BN 750W

4.0
Shed ScoreEditorial rating out of 5, based on specs, build quality and value in its class.
  • 750W reliable power
  • Budget-friendly bronze efficiency
  • Quiet cooling fan

The MSI MAG A750BN is a dependable, budget-friendly 750W PSU suited for gamers and builders who need steady power delivery without breaking the bank.

  • Wattage750W
  • Efficiency Rating80 PLUS Bronze
  • Fan Size120mm
Check price on Amazon Full datasheet

As an Amazon Associate we earn from qualifying purchases.

// Datasheet

Technical specifications

MAG-A750BN5 fields
Wattage750W
Efficiency Rating80 PLUS Bronze
Fan Size120mm
ModularityNon-modular
Warranty3 years

// Verdict

Our take

4.0

The MSI MAG A750BN is a dependable, budget-friendly 750W PSU suited for gamers and builders who need steady power delivery without breaking the bank. While its non-modular design and Bronze efficiency rating place it below premium offerings, it remains a solid choice for mainstream builds focused on value and reliability.

// Trade-offs

Pros and cons

+What we like

  • Reliable power delivery for mid-range gaming builds
  • Quiet operation under normal loads
  • Affordable price point for 750W bronze unit
  • Solid protection circuitry
  • Backed by MSI's brand reputation and warranty

−Watch out for

  • Non-modular design makes cable management harder
  • Only Bronze efficiency, not ideal for high-efficiency builds
  • Fan can become audible under heavy load
  • No fully modular cable option in this model
  • Limited high-end connectors for extreme multi-GPU setups

// Feature set

Key features

  • 01750W continuous output
  • 0280 PLUS Bronze certification
  • 03120mm rifle bearing fan with smart fan control
  • 04Non-modular cable design
  • 05Multiple protections: OVP/UVP/SCP/OPP/OTP
  • 06Flat black cables for basic cable management
  • 07Industrial-grade capacitors rated for 85°C

// Long read

Full review

The MSI MAG A750BN is a 750-watt power supply built for builders who want dependable performance without stretching into premium pricing tiers, slotting neatly into MSI's MAG lineup of components aimed at mainstream gaming rigs. It carries 80 PLUS Bronze certification, meaning it delivers roughly eighty-five percent efficiency at typical loads, which translates into reasonable energy savings and less wasted heat compared to uncertified units. The single 12V rail design simplifies power delivery to modern components, making it a sensible choice for gamers and everyday users building systems around mid-range CPUs and graphics cards that don't demand the headroom of an 850W or 1000W unit.

Inside the chassis, MSI uses flat, non-modular cabling on the A750BN, which keeps costs down but means builders need to plan their case routing since unused cables can't be removed. A 120mm fan handles cooling, spinning according to thermal load, and while it lacks a fanless zero-RPM mode found in higher-tier MAG units like the A750GL or A850GL, it remains reasonably quiet under normal gaming workloads. The unit includes the standard complement of connectors—24-pin ATX, 4+4 EPS for CPU power, PCIe connectors suitable for a single mid-range graphics card, and enough SATA and Molex connectors to handle typical storage and peripheral needs in a standard ATX build.

Physically, the MAG A750BN follows standard ATX PSU dimensions, so it fits comfortably into the vast majority of mid-tower and full-tower cases without clearance issues. MSI backs it with protections covering over-voltage, over-current, over-power, and short-circuit scenarios, giving builders peace of mind against common electrical faults. For anyone assembling a budget-to-mid-range gaming PC—pairing something like a Ryzen 5 or Core i5 with a mainstream graphics card—the A750BN offers a straightforward, no-frills power solution that prioritizes reliability and value over the modular flexibility and higher efficiency ratings found in MSI's Gold-certified MAG siblings.

See it on Amazon