Sea Sonic Electronics Co., Ltd.
ActiveOverview
Sea Sonic Electronics Co., Ltd. manufactures power supplies and related PC components under the Seasonic brand. It produces power conversion products including PSUs, cooling fans, and cables, sold internationally through subsidiaries in the US and Europe. The company is recognized for early adoption of efficiency standards like 80 Plus certification and innovations in fan control and power factor correction.
History
Founded in 1975 by engineers led by Mr. Chang Cheng-tsung in Taiwan, initially producing test equipment and electronics. Entered PC power supply market in 1981, established Dongguan factory in China in 1997, listed on Taiwan's OTC market in 2002, and opened US subsidiary in California. Achieved first 80 Plus certification in 2005 and expanded retail branding from 2003.
Product Lines
| Product Line | Positioning | Price Range |
|---|---|---|
| FOCUS Series PSUs | mid-range modular power supplies | $100 - $200 |
| PRIME Series PSUs | high-end efficiency PSUs | $150 - $400 |
| VERTEX Series PSUs | premium ATX 3.0 compliant | $200 - $350 |
| Cooling Fans | PC case and radiator fans | $20 - $50 |
Manufacturing
Products are manufactured in company-owned factories in Dongguan, China. Design and R&D occur at headquarters in Taipei, Taiwan. Exports to global markets via subsidiaries in the US and Europe.
Notable Products
- PRIME TX-1600 - 1600W 80 Plus Titanium PSU with full modular cables and 12-year warranty.
- FOCUS GX-750 - 750W 80 Plus Gold fully modular PSU for gaming PCs.
- VERTEX PX-1600 - ATX 3.1 compliant 1600W PSU with PCIe 5.0 support.
- Smart Sensor - Device for monitoring power consumption and distribution.
Reputation
Sea Sonic is highly regarded by PC enthusiasts for reliable, high-efficiency PSUs with long warranties and quiet operation. Professionals value its pioneering role in 80 Plus certifications and build quality. Some users note higher prices compared to competitors, but failures are rare with strong customer support.