Seasonic S12III 650 SSR-650GB3 650W 80+ Bronze Silent Fan Control Power Supply


In stock

Warranty: 1 Year Replacement

  • Fixed cabling – Provides all the necessary cables required for a standard pc.
  • 80 plus Bronze – 82% efficient at 20% load, 85% efficient at 50% load, and 82% efficient at 100% load.
  • 120 mm SLEEVE BEARING FAN; The 120 mm fan inside is regulated by the Sea sonic S2FC fan control, which optimizes the fan speed according to the needs of the system to create a quiet and pleasant environment.

13,000.00 13,500.00

In stock

Seasonic S12III 650W 80+ Bronze Power Supply

The S12III Bronze Series is available in the standard ATX Form Factor and in wattages that are most common for a PC system. The Seasonic S12III 650W 80+ Bronze achieves 80 PLUS® Bronze standard of providing at least 82 %, 85 % and 82 % power usage efficiency at 20 %, 50 % and 100 % operating loads, respectively. This efficiency, combined with Active Power Factor Correction, enables the S12III Bronze series power supplies to lessen energy waste, which translates into savings on the costs of energy costs for its users. In addition to being greatly efficient, the S12III units utilize the LLC resonant converter design, and the industry’s leading Smart and Silent Fan Control (S2FC).

SeaSonic S12III

Built with premium components and advanced technology, the Seasonic S12III 650W 80+ Bronze power supplies deliver robust, stable output for a mainstream system or gaming rig. It achieves 80 PLUS Bronze standard, resulting in less heat generation, less power waste and therefore reduced power cost on your energy bill. Comprehensive protection mechanism including OPP, OVP, UVP and SCP provides solid protection for system components. Its 120mm fan uses sleeve bearing and features Smart and Silent Fan Control (S2FC) for the perfect balance between operation noise and cooling performance, so you can game, work and surf with great peace of mind.

Seasonic S12III 550W 80+ Bronze

Seasonic USA

High Efficiency, 80 PLUS Bronze Certified


Seasonic S12III 550W 80+ Bronze

Smart and Silent Fan Control

Seasonic USA Seasonic S12III 550W 80+ Bronze

Improved Compatibility with the Latest Intel and AMD Platforms


Seasonic USA


The 80 PLUS® Bronze certification indicates that a high percentage of the electricity is converted into useful power, therefore there is less heat lost and more money saved on the electricity bill. The 80 PLUS® Bronze certification guarantees greater than 82 %, 85 % and 82 % efficiency at 20 %, 50 % and 100 % operating loads, respectively. Sea Sonic’s Bronze Series is an economical choice with great performance and high built-in value.


The intelligent thermal circuit feature is designed to find the optimal balance between the necessity to cool the components and the need to run the power supply in the most silent manner possible.


  • 80 PLUS® Bronze certified
  • Fixed cables
  • Tight Voltage Regulation
  • S2FC – Smart and Silent Fan Control

Technical Details


Brand SeaSonic
Series S12III Bronze Series
Model S12III-650GB (SSR-650GB3)
Input Voltage 110 – 240 V
Input Frequency Range 50/60 Hz
Input Current 10 – 5 A
Output [email protected], [email protected], [email protected], [email protected], [email protected]
Approvals Safety and EMC: cTUVus, TUV, Gost-R, UkrTEST, CB , BSMI, Semko, CCC, CE, FCC, C-tick

Environmental Compliance: Energy Star, RoHS, WEEE, REACH

Dimensions 3.39″ x 5.51″ x 5.91″
Max PSU Length 140 mm
Connectors 1 x Main Power (24/20 pins)
1 x CPU (8/4 pins)
4 x PCIe (8/6 pins)
6 x SATA
3 x Peripheral
1 x Floppy
Features 80 PLUS Bronze Certified High Efficiency

Highly Reliable 105 °C Japanese Brand Capacitor

Ample + 12 V Outputs

Active Power Factor Correction (99 % PF Typical)

LLC resonant converter design

Smart & Silent Fan Control (S2FC)

120 mm Fluid Dynamic Bearing (FDB) Fans

Soft-Mount Rubber Cushions

Patented Easy Swap Connector

Universal AC Input (Full Range)

Ultra Ventilation (Honeycomb Structure)

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