Cooler Master GX II 750 ATX

Cooler Master GX II Gold 750 | 80 PLUS Gold ATX 3.1 PSU

The Cooler Master GX II Gold 750 ATX 3.1 delivers 750 W of reliable power with ATX 3.1 compliance, making it ideal for high-performance gaming and workstation PCs that demand stable, efficient power delivery.

Key Specifications

ATX 3.1 Ready for Modern Components

This PSU supports ATX 3.1 specifications, including a 90-degree 12V-2×6 PCIe 5.1 connector that can deliver up to 600 W to your GPU. The higher electrical durability and improved safety make it suitable for the latest graphics cards and components.

Certified Efficiency for Lower Energy Costs

With 80 PLUS Gold certification, the GX II Gold achieves over 90% efficiency at typical loads. This means less wasted energy, reduced heat output, and lower electricity bills compared to lower-efficiency units.

Silent Operation with Zero-RPM Mode

The 120 mm HDB fan features a default zero-RPM mode that keeps the fan off during light loads or when temperatures are low. The fan only activates when your system needs active cooling, ensuring near-silent operation during everyday use.

Enhanced Reliability with Japanese Capacitors

Equipped with high-quality Japanese capacitors, this PSU delivers reduced ripple noise and enhanced long-term reliability. The separated thermal technologies improve heat management for consistent performance under load.

Fully Modular Design for Clean Builds

All cables are fully modular, allowing you to connect only what you need. This reduces cable clutter, improves airflow within your case, and makes installation and upgrades much simpler.

Box Contents

• Cooler Master GX II Gold 750 PSU
• Modular cables (various lengths)
• Mounting screws
• User manual

Check Before You Buy

• Confirm your case has sufficient space (150 x 160 x 86 mm)
• Verify your GPU requires 750 W or less total system power
• Check if you need additional PCIe power connectors for your components
• Confirm your motherboard has the necessary power connectors

Frequently Asked Questions

Q: Is this PSU compatible with PCIe 5.0 graphics cards?

A: Yes, it includes a 12V-2×6 PCIe 5.1 connector that supports PCIe 5.0 GPUs.

Q: What does 80 PLUS Gold certification mean?

A: It means the PSU is at least 90% efficient at typical loads, reducing energy waste and heat.

Q: Does this PSU have over-current protection?

A: Yes, it includes multiple protection features including over current, over power, over voltage, and short circuit protection.

Q: Is the fan always running?

A: No, it features a zero-RPM mode that keeps the fan off during low loads and cool operation.

Q: What are the dimensions of this PSU?

A: It measures 150 mm wide, 160 mm deep, and 86 mm high in a standard ATX form factor.

The Consultant’s Verdict & Warranty

The Cooler Master GX II Gold 750 ATX 3.1 is an excellent choice for gamers and professionals building systems with modern, power-hungry components. Its ATX 3.1 compliance, 80 PLUS Gold efficiency, and fully modular design offer both future-proofing and practical benefits for clean, reliable builds. Covered by the standard Manufacturer Warranty.