GIGABYTE GAMING 750GM PG5 Power Supply Unit - PCIe 5.1, 80 PLUS Gold, Fully Modular Design, 135mm Fan, ATX 3.1 compatible, EU Plug

The GIGABYTE GAMING 750GM PG5 is a 750 W ATX power supply engineered for gaming and high-performance desktop systems. It complies with ATX 3.1 guidelines and supports PCIe 5.1 connectivity for modern GPUs and devices. The unit carries an 80 PLUS Gold efficiency rating, features fully modular cabling for simplified assembly and cable management, and uses an active 135 mm fan with smart control to manage thermal performance while maintaining stable power delivery.

Advantages

This PSU combines high efficiency and stable output through an 80 PLUS Gold certification and a robust single +12V rail design. Fully modular connectors reduce clutter inside the case and make system upgrades easier. The active 135 mm fluid dynamic bearing fan and HybridCool smart fan control balance cooling and noise, while 100% Japanese capacitors and multiple protection circuits work together to improve long-term reliability and safeguard connected components.

Suitable for

When it may not be suitable

This 750 W unit may be excessive for very low-power or compact systems where smaller SFX or lower-wattage ATX supplies are more appropriate. It is also not necessary for builds that use older GPUs without PCIe 5.1 power requirements.

Key specifications

• Rated output: 750 W
• Efficiency: 80 PLUS Gold
• Form factor: ATX (compliant with ATX 3.1)
• PCIe support: PCIe 5.1 connectivity for compatible devices
• Cooling: 135 mm Smart Fluid Dynamic Bearing (FDB) fan with HybridCool smart fan control
• Capacitors: 100% Japanese capacitors
• Protection features: OVP, OPP, SCP, UVP, OCP, OTP and related safety protections
• Input voltage/frequency: 100–240 V, 50/60 Hz
• Modularity: Fully modular cabling
• Color: Black

How to use

Install the PSU in a compatible ATX case following the motherboard and case manufacturer instructions. Connect the 20+4 pin ATX main power cable, the required PCIe power connectors for the GPU using the modular cables, and attach CPU and peripheral connectors as needed. Ensure input voltage selection (if applicable) and secure all connections before powering the system. During operation, allow clearance around the fan intake and exhaust to maintain airflow; the HybridCool control will adjust fan speed according to load and temperature.

What to consider before purchase

Recommendations

For stable operation, match the PSU capacity to peak system load with some headroom for future upgrades. Keep modular cables organized to preserve airflow, and periodically check connections and dust buildup around the 135 mm fan to maintain cooling efficiency.