Seasonic CORE GC-750 ATX 3.1 750W 80 Plus Gold Power Supply
Reliable Gold-Rated Power for Modern Gaming PCs and Performance Builds
The Seasonic CORE GC-750 ATX 3.1 delivers dependable performance, modern connectivity and the trusted reliability that has made Seasonic one of the most respected names in power supplies. Designed for gamers, PC enthusiasts and everyday system builders, this 750W PSU combines 80 Plus Gold efficiency, ATX 3.1 compliance, PCIe 5.1 readiness and intelligent cooling technology to power today's hardware with confidence.
Featuring a compact design, premium braided black cables, a quiet 120mm Hydro Dynamic Bearing fan, and comprehensive protection circuitry, the CORE GC-750 is the ideal foundation for gaming systems, productivity PCs and future hardware upgrades.
Key Features & Benefits
Reliable 750W Continuous Power
Delivering 750W of continuous output, the CORE GC-750 provides stable power for modern CPUs, graphics cards and storage devices.
Ideal for:
- Gaming PCs
- Streaming systems
- Content creation workstations
- AMD Ryzen platforms
- Intel Core systems
- Performance desktop upgrades
The powerful +12V rail delivers up to 744W, ensuring dependable performance under demanding workloads.
ATX 3.1 Ready
Built to meet the latest ATX 3.1 specification, the CORE GC-750 offers improved handling of modern power demands and future hardware compatibility.
Benefits include:
- Enhanced system stability
- Improved transient power support
- Compatibility with modern platforms
- Future-ready design
Perfect for users building a long-lasting system.
PCIe 5.1 Compatible
The CORE GC-750 is designed to support both current and next-generation graphics cards.
Features include:
- PCIe 5.1-ready platform
- Native 12V-2x6 support
- Up to 600W GPU power delivery capability
- Legacy PCIe GPU compatibility
Compatible with modern NVIDIA RTX graphics cards and future GPU generations.
Next-Generation & Legacy GPU Support
The included native 12V-2x6 connector and traditional PCIe power options ensure broad graphics card compatibility.
Advantages:
- Cleaner installations
- Simplified upgrades
- Support for modern GPUs
- Backwards compatibility for existing systems
80 Plus Gold Certified Efficiency
Certified to the 80 Plus Gold standard, the CORE GC-750 delivers efficient power conversion while reducing energy waste.
Benefits include:
- Lower power consumption
- Reduced heat generation
- Improved electrical efficiency
- Lower operating costs
- Enhanced long-term reliability
Smart & Silent Fan Control (S²FC)
Seasonic's intelligent S²FC cooling system automatically adjusts fan operation according to internal temperatures.
Benefits:
- Lower noise levels during light loads
- Effective cooling under heavy usage
- Quiet everyday operation
- Improved thermal management
This ensures an excellent balance between cooling performance and acoustic comfort.
120mm Hydro Dynamic Bearing Fan
The high-quality 120mm HDB fan delivers long-lasting cooling performance and excellent reliability.
Features:
- Smooth operation
- Reduced noise
- Improved durability
- Consistent airflow
- Long service life
Rated for up to 40,000 hours of operation.
Premium Braided Black Cables
The individually styled black braided cables improve both appearance and airflow inside your PC case.
Benefits include:
- Cleaner cable management
- Easier cable routing
- Professional aesthetics
- Improved airflow
Ideal for gaming systems and showcase builds.
Comprehensive Protection Features
Advanced electrical protection technologies help safeguard your components during operation.
Protection Includes:
- OCP (Over Current Protection)
- OPP (Over Power Protection)
- OTP (Over Temperature Protection)
- OVP (Over Voltage Protection)
- UVP (Under Voltage Protection)
- SCP (Short Circuit Protection)
Providing peace of mind for valuable PC hardware.
Ideal For
✅ Gaming PCs
✅ AMD Ryzen Builds
✅ Intel Core Systems
✅ RTX 4070 / RTX 5070-Class Graphics Cards
✅ Content Creation PCs
✅ Streaming Systems
✅ Productivity Workstations
✅ Future PCIe 5.1 Upgrades
Technical Specifications
General
- Brand: Seasonic
- Model: CORE GC-750 ATX 3.1
- Part Number: SRP-CGC751-A5A32SF
- 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
- Hydro Dynamic Bearing (HDB)
- Smart & Silent Fan Control (S²FC)
- Fan Life Expectancy: 40,000 Hours
Reliability
- MTBF: 100,000 Hours
Cable Design
- Individual Black Cables with Braided Pattern
Protection Features
- OCP
- OPP
- OTP
- OVP
- UVP
- SCP
Power Distribution
| Rail | Output |
|---|---|
| +3.3V | 20A |
| +5V | 20A |
| +12V | 62A |
| -12V | 0.3A |
| +5VSB | 2.5A |
Total Continuous Power: 750W
Operating Temperature
- 0°C to 40°C
Certifications
- CE
- CB
- CCC
- cTUVus
- TUV
- BSMI
- EAC
- UKCA
Environmental Compliance
- Energy Star
- RoHS
- REACH
- WEEE
- ErP Lot 6
Warranty
- Manufacturer Warranty: 5 Years*
*The product title references a 7-year warranty, however the supplied specification sheet lists a 5-year manufacturer warranty.
What's in the Box?
- Seasonic CORE GC-750 Power Supply
- Power Cables
- Mounting Hardware
- User Documentation
Why Choose the Seasonic CORE GC-750?
The Seasonic CORE GC-750 ATX 3.1 offers an outstanding combination of efficiency, reliability and future-ready compatibility for gamers and PC builders. Featuring 750W continuous power, 80 Plus Gold certification, ATX 3.1 support, PCIe 5.1 readiness, intelligent S²FC cooling, and Seasonic's renowned engineering quality, it provides dependable performance for modern gaming systems and productivity PCs. Whether you're building a new PC or upgrading an existing system, the CORE GC-750 delivers the stable, efficient power required for years of reliable operation.