Seasonic FOCUS GX-750 ATX 3.1 750W 80 Plus Gold Modular PSU

Premium 750W Power for Gaming, Content Creation and High-Performance PCs

The Seasonic FOCUS GX-750 ATX 3.1 is a premium fully modular power supply designed for gamers, enthusiasts and professional users who demand exceptional reliability, efficiency and future-ready compatibility. Built upon the highly regarded FOCUS platform, this latest-generation model fully supports ATX 3.1 and PCIe 5.1 standards, making it an ideal choice for modern gaming systems and workstation builds.

Featuring 80 Plus Gold certification, a robust 750W output, Hybrid Silent Fan Control, premium Fluid Dynamic Bearing fan technology, and individually sleeved black braided cables, the FOCUS GX-750 delivers efficient, quiet and dependable performance for today's most demanding components.

Key Features & Benefits

Reliable 750W Continuous Power

The FOCUS GX-750 provides a stable 750W continuous power output, ensuring reliable operation under gaming, productivity and creator workloads.

Ideal for:

• Gaming PCs
• Streaming Systems
• Content Creation Workstations
• AMD Ryzen Builds
• Intel Core Gaming Systems
• Multi-Drive Storage Configurations

Its powerful +12V rail delivers up to 744W, providing consistent power for high-performance CPUs and graphics cards.

ATX 3.1 & PCIe 5.1 Ready

Designed to meet the latest industry power standards, the FOCUS GX-750 supports:

• ATX 3.1 Compliance
• PCIe 5.1 Support
• Enhanced Power Excursion Handling
• Modern GPU Requirements
• Next-Generation Hardware Compatibility

This ensures reliable operation with current and future graphics cards.

80 Plus Gold Certified Efficiency

Achieve excellent power efficiency with 80 Plus Gold certification, reducing wasted energy and excess heat.

Benefits include:

• Lower energy consumption
• Reduced heat output
• Improved power conversion
• Lower operating costs
• Greater long-term reliability

Perfect for systems that spend extended periods under heavy loads.

Fully Modular Cable Design

The fully modular design allows builders to use only the cables required.

Advantages include:

• Cleaner cable routing
• Improved airflow
• Easier installation
• Reduced clutter
• Simplified system upgrades

Ideal for gaming and professional builds where clean cable management matters.

Premium Braided Black Cables

Included individually sleeved black cables provide both flexibility and a premium appearance.

Perfect for:

• Gaming PCs
• Showcase Builds
• Workstations
• Tempered Glass Cases
• Professional Systems

The braided design contributes to improved cable routing and aesthetics.

Hybrid Silent Fan Control

Seasonic's famous Hybrid Silent Fan Control automatically balances cooling efficiency and acoustic performance.

The system operates through three intelligent stages:

Fanless Mode

The fan remains completely off during low-load operation, delivering silent performance.

Silent Mode

The fan spins at low speed during moderate workloads to minimise noise.

Cooling Mode

Fan speed increases automatically when system temperatures rise, ensuring effective cooling under load.

This creates the perfect balance between silence and performance.

Premium Fluid Dynamic Bearing Fan

The high-quality Fluid Dynamic Bearing (FDB) fan offers superior durability and quiet operation compared to conventional bearing designs.

Benefits include:

• Reduced vibration
• Lower operating noise
• Enhanced cooling efficiency
• Longer lifespan
• Greater reliability

The fan is rated for up to 50,000 hours of service life.

Trusted Seasonic Engineering

The FOCUS series has earned a reputation as one of the most reliable enthusiast-grade power supply platforms available.

Key qualities include:

• High-quality internal components
• Stable voltage regulation
• Excellent build quality
• Proven long-term reliability
• Consistent performance under load

Full Protection Suite

The FOCUS GX-750 includes comprehensive protection technologies designed to keep your components safe.

Protection Features:

• OPP (Over Power Protection)
• OVP (Over Voltage Protection)
• UVP (Under Voltage Protection)
• OCP (Over Current Protection)
• OTP (Over Temperature Protection)
• SCP (Short Circuit Protection)

Providing peace of mind for valuable gaming and workstation hardware.

Ideal For

✅ Gaming PCs
✅ AMD Ryzen Systems
✅ Intel Core Gaming PCs
✅ RTX 4070 / RTX 5070-Class Builds
✅ Content Creation Workstations
✅ Streaming Setups
✅ Productivity Systems
✅ Future PCIe 5.1 Upgrades

Technical Specifications

General

• Brand: Seasonic
• Model: FOCUS GX-750 ATX 3.1
• Part Number: FOCUS-GX-750-V4
• Colour: Black
• Form Factor: ATX / EPS

Power

• Total Continuous Power: 750W
• 80 Plus Gold Certified

Electrical Specifications

• Input Voltage: 100V - 240V
• Input Current: 10A - 5A
• Frequency Range: 50Hz - 60Hz
• Full Range AC Input

Cooling

• 120mm Fan
• Fluid Dynamic Bearing (FDB)
• S3FC Hybrid Silent Fan Control
• Fanless Mode Support
• Fan Life Expectancy: 50,000 Hours

Reliability

• MTBF: 100,000 Hours

Cable Design

• Fully Modular
• Individual Black Braided Cables

Protection Features

• OPP
• OVP
• UVP
• OCP
• OTP
• SCP

Power Distribution

• +3.3V: 20A
• +5V: 20A
• +12V: 62A
• -12V: 0.3A
• +5VSB: 3A

Total Continuous Output: 750W

Physical Dimensions

• 140 × 150 × 86mm

Operating Temperature

• 0°C to 40°C

Certifications

• 80 Plus Gold
• CE
• CB
• TUV
• cTUVus
• CCC
• BSMI
• EAC

Environmental Compliance

• Energy Star
• RoHS
• WEEE
• REACH
• ErP Lot 6

Warranty

• Manufacturer Warranty: 10 Years*

*The product title references a 12-year warranty, however the manufacturer specifications supplied list a 10-year warranty.

What's in the Box?

• Seasonic FOCUS GX-750 Power Supply
• Fully Modular Cable Set
• Motherboard Power Cable
• CPU Power Cables
• PCIe Power Cables
• Mounting Screws
• User Documentation

Why Choose the Seasonic FOCUS GX-750?

The Seasonic FOCUS GX-750 ATX 3.1 delivers premium efficiency, trusted reliability and future-ready compatibility for modern PC builders. Featuring 750W of continuous power, 80 Plus Gold efficiency, fully modular braided cables, ATX 3.1 and PCIe 5.1 support, and Seasonic's renowned Hybrid Silent Fan Control, it provides everything needed for a powerful gaming PC or professional workstation. Backed by Seasonic's proven engineering and long-term reliability, the FOCUS GX-750 is an outstanding choice for enthusiasts seeking dependable power and quiet operation.