What is the efficiency of the Seasonic G12 GC-850?

The Seasonic G12 GC-850 is 80 PLUS® Gold certified, ensuring high energy efficiency with at least 87%, 90%, and 87% efficiency at 20%, 50%, and 100% operating loads respectively. This helps reduce energy waste and lowers electricity bills.

Does the G12 GC-850 have modular cables?

No, the G12 GC series utilizes a fixed cable design. The cables are permanently attached, which provides a cost-effective solution for standard builds where modularity is not critical.

What is the Smart and Silent Fan Control (S2FC)?

S2FC is Seasonic's intelligent thermal control circuit. It automatically adjusts the fan speed to balance optimal component cooling with quiet operation, minimizing noise during typical use.

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Seasonic G12 GC-850 850W 80 Plus Gold Smart And Silent Fan Power Supply

Seasonic G12 GC-850 850W 80 Plus Gold Smart And Silent Fan Power Supply

4900 EGP

Part Number (Model): G12 GC-850
Wattage & Efficiency: 850W 80 PLUS Gold
Modularity: Fixed Cables (Non-Modular)
Fan Control: Smart and Silent Fan Control (S2FC)
Fan Type: 120 mm Sleeve Bearing
Dimensions: 140 x 150 x 86 mm (Compact ATX)
Warranty: 5 Years

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Seasonic G12 GC-850 850W 80+ Gold Smart Fan Power Supply

The Seasonic G12 GC-850 PSU combines high performance with value. To begin with, this 850W unit features 80 PLUS Gold efficiency for reduced energy costs. Furthermore, its Smart and Silent Fan Control ensures quiet operation for your gaming PC.

850W Output

80 PLUS Gold

Smart & Silent

Fan Control (S2FC)

Fixed Cables

Standard ATX Design

5-Year Warranty

Reliable Performance

Main view of the Seasonic G12 GC-850 PSU in black, showing fixed cables and fan grill.

The Seasonic G12 GC-850 PSU, featuring a compact design and fixed black cables.

Performance and Efficiency with the Seasonic G12 GC-850 PSU

80 PLUS® Gold Certified

The Seasonic G12 GC-850 PSU achieves high efficiency, delivering 90% efficiency at 50% system load. Consequently, this high efficiency combined with Active Power Factor Correction (PFC) reduces energy waste, lowers heat output, and saves on electricity costs.

S2FC – Smart and Silent Fan Control

This unit features an intelligent thermal circuit designed to strike the optimal balance. In addition, it effectively cools the components while maintaining the quietest possible operation, ensuring your system remains silent during typical use.

Seasonic G12 GC-850 PSU Specifications

Feature	Detail
Brand	Seasonic
Model	G12 GC-850
Wattage	850W
80 PLUS Certification	80 PLUS Gold
Form Factor	ATX 12 V
Modularity	Fixed Cables
Fan Size	120 mm
Fan Bearing	Sleeve Bearing
Dimensions (L x W x H)	140 x 150 x 86 mm
Connectors	1x MB (24/20), 2x CPU (8/4), 3x PCIe (8/6), 6x SATA, 3x Molex
Protections	OPP, OVP, UVP, SCP, OCP, OTP
Warranty	5 Years

💡 Pro Tip:

The Seasonic G12 GC-850 PSU has fixed cables, so plan your cable management carefully. Bundle any unused cables neatly behind the motherboard tray or in the PSU shroud to maintain good airflow and a clean look inside your case.

Important Notice: All information, specifications, and images provided herein are for reference and illustrative purposes only. Visual representations may not be perfectly accurate. Product specifications, features, and appearance can vary by model and country, and are subject to change without notice by the manufacturer. While we strive to present the most precise and comprehensive information, errors in typography or photography may occur.

For the most accurate and up-to-date details, we strongly recommend referring to the official manufacturer’s website. All trademarks and copyrights are the property of their respective owners.

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POWER SUPPLY

MODEL	G12 GC-850
Psu-Cable-Type	NON MODULAR
PSU WATT	850 W
ENERGY EFFICIENT	80 PLUS GOLD
Protection	OCP, OPP, OTP, OVP, SCP, UVP
PSU Capacitors	Not Specified
DC to DC	Not Specified
Part Number	G12 GC-850
Warranty	5 Years