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SeaSonic S12G-450 450W ATX12V / EPS12V 80 PLUS GOLD Certified Active PFC Power Supply, Intel Haswell Ready

  • ATX12V / EPS12V
  • 80 PLUS GOLD Certified
  • 100 - 240 V 50/60 Hz

SeaSonic S12G Power Supply

The S12G Series, available in 450, 550, 650 and 750 Watts, provides superior dynamic response, greater system stability, and maximum 12VDC rail output. The 80 PLUS Gold certified power supply provides high power efficiency of at least 87% at any load between 20% and 100%, saving you money on your electrical bill, reducing heat in your hardware, and prolonging your computer's life. Intelligent thermal control ensures an optimal balance between silence and cooling.


SeaSonic S12G
  • DC to DC Converter Design
  • Conductive Polymer Aluminum Solid Capacitors
  • Highly Reliable 221°F (105°C) Aluminum Electrolytic Capacitors
  • Smart and Silent Fan Control (S2FC)
  • Active Power Factor Correction (up to 99%)
  • Ample +12V Output
  • 120mm Ball Bearing Cooling Fan
  • Multi-GPU Technology Support
  • Ultra Ventilation (Honeycomb Structure)
  • Gold Plated High Current Terminals
  • Soft-Rubber Mounting Cushions
  • Universal AC Input (Full Range)
SeaSonic S12GSeaSonic S12G

Product Information

1. Dimensions (L x W x H): 5.5 x 6 x 3.3 inches (140 x 150 x 86mm)

2. AC Input & DC Output Voltages / Wire Configuration

Model: S12G-450

SeaSonic S12G

Model: S12G-550

SeaSonic S12G

Model: S12G-650

SeaSonic S12G

Model: S12G-750

SeaSonic S12G


SeaSonic S12G

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Return Policies

  • Return for refund within: 30 days
  • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy