Description
SeaSonic CORE GC 850W 80+ Gold ATX 3.1
The SeaSonic CORE GC 850W 80+ Gold ATX 3.1 is a high-efficiency power supply unit designed for modern gaming PCs, high-performance workstations, and next-generation hardware configurations. Built with SeaSonic’s trusted engineering and reliability, the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 delivers stable power output, advanced protection features, and support for the latest GPU and CPU platforms.
Certified with 80 PLUS Gold efficiency, the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 ensures optimized power delivery with reduced energy waste and lower heat generation. This results in improved system efficiency, quieter operation, and reduced electricity consumption during intensive gaming or productivity workloads.
The SeaSonic CORE GC 850W 80+ Gold ATX 3.1 fully supports the latest ATX 3.1 standard, making it ready for modern high-performance graphics cards and demanding system upgrades. With a dedicated 12V-2×6 connector included, the power supply is compatible with next-generation GPUs requiring higher and more stable power delivery standards.
Cooling performance is handled by a quiet 120mm fan using Hydro Dynamic Bearing technology for improved durability and lower noise levels. Combined with SeaSonic’s Smart & Silent Fan Control (S²FC), the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 maintains efficient cooling while minimizing unnecessary fan noise during lighter workloads.
The SeaSonic CORE GC 850W 80+ Gold ATX 3.1 also focuses heavily on reliability and protection. It includes comprehensive safety systems such as OCP, OPP, OTP, OVP, SCP, and UVP to protect both the power supply and connected components from electrical issues. With an MTBF rating of 100,000 hours and a 5-year warranty, the PSU is designed for long-term dependable performance.
Featuring fixed black braided cables, the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 offers a clean and professional appearance suitable for modern gaming builds. The included connectors support multiple CPUs, GPUs, SATA drives, and peripherals, ensuring broad compatibility for various system configurations.
Overall, the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 combines strong efficiency, modern ATX 3.1 compatibility, quiet cooling, and SeaSonic reliability into one dependable power supply solution for gamers and PC enthusiasts.
Why Choose SeaSonic CORE GC 850W 80+ Gold ATX 3.1
The SeaSonic CORE GC 850W 80+ Gold ATX 3.1 is an excellent choice for users building modern gaming PCs or professional systems that require stable, efficient, and future-ready power delivery. One of the biggest advantages of the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 is its 80 PLUS Gold certification, which ensures high energy efficiency while reducing excess heat and power consumption.
Another major reason to choose the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 is its support for the latest ATX 3.1 standard. This ensures compatibility with modern graphics cards and next-generation hardware that demand improved power stability and transient load handling. The included 12V-2×6 connector further enhances compatibility with high-end GPUs used in advanced gaming and creator systems.
Reliability is one of SeaSonic’s strongest qualities, and the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 continues that reputation with multiple built-in protection systems including over-voltage, over-current, over-power, short-circuit, under-voltage, and over-temperature protection. These features help safeguard valuable PC components during daily operation.
The cooling system inside the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 also contributes to its premium quality. The 120mm Hydro Dynamic Bearing fan provides quiet and efficient cooling, while S²FC smart fan control helps optimize acoustic performance depending on system load.
Another benefit of the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 is its clean cable design. The individually sleeved black cables improve cable management and create a more organized appearance inside the case.
With 850W continuous power output, modern GPU support, strong efficiency, and SeaSonic’s trusted durability, the SeaSonic CORE GC 850W 80+ Gold ATX 3.1 is a dependable PSU choice for gamers, creators, and PC enthusiasts seeking long-term performance and stability.
Specifications
General:
- Model: SeaSonic CORE GC 850W 80+ Gold ATX 3.1
- Form Factor: ATX / EPS
- Total Continuous Power: 850W
- Efficiency Certification: 80 PLUS Gold
- AC Input: 100V – 240V
- Frequency: 50Hz – 60Hz
Cooling:
- Fan Size: 120mm
- Fan Control: S²FC
- Bearing Type: Hydro Dynamic Bearing
- Fan Lifespan: 40,000 Hours at 40°C
Electrical Features:
- Operating Temperature: 0°C – 40°C
- MTBF: 100,000 Hours (excluding fan)
- Full Range AC Input Support
Protection Features:
- OCP (Over Current Protection)
- OPP (Over Power Protection)
- OTP (Over Temperature Protection)
- OVP (Over Voltage Protection)
- SCP (Short Circuit Protection)
- UVP (Under Voltage Protection)
Cable Design:
- Fixed Cables
- Individual Black Braided Cables
Power Output:
- +3.3V: 20A
- +5V: 20A
- +12V: 70A
- -12V: 0.3A
- +5Vsb: 2.5A
Connectors:
- 24/20-pin Motherboard Connector ×1
- CPU 8/4-pin Connector ×2
- PCIe 8/6-pin Connectors ×3
- 12V-2×6 Connector ×1
- SATA / Molex Connectors ×3
Safety & Certifications:
- CE
- CB
- CCC
- cTUVus
- TUV
- BSMI
- EAC
- UKCA
- Energy Star
- RoHS
- REACH
- WEEE
- ErP Lot 6
Warranty:
- 5 Years








