Seasonic X900 Power Supply – Ultimate Power & Performance


The Seasonic X900 is designed and built for power, performance, stability and reliability as demanded by power users, gamers and over-clockers. The X900 is a true 900W output power unit with a peak output of over 1,000 watts.

Seasonic X900 is equipped with multiple +12V rails to support high-end graphic cards’ need with a total power output of 72 amps. A Double Forward Converter circuit design achieves a 99% Active Power Factor Correction and an industry-leading efficiency rating of up to 88%. Additionally, the power supply utilizes a Dual Magnetic Amplifier circuit to maintain a class-leading 3% line regulation tolerance on all +12V output rails to meet the demands of high-end graphics cards, CPU’s and peripherals for accurate and stable power output.
The jet black colored chassis is a standard ATX form factor so as to fit into any standard ATX system housing in the market today. Our exclusive S2FC [Smart & Silent Fan Control] technology ensures that the 80mm exhaust fan keeps the noise level as low as possible and yet at the same time maintain the proper operating temperature for the power supply.

Seasonic X900 comes with four dedicated PCI-E connectors & two 6P to 8P adapters to support extreme Quad SLI™ & CrossFire™ systems and as well, conforms to the latest Intel ATX12V & EPS12V specifications. In addition, the power supply is equipped with nine standard Molex connectors and six SATA for peripheral devices. For added flexibility, one Y cable that converts one standard Molex to FDD connectors is included for added configuration flexibility.

High output power supply without compromise is finally here, the Seasonic X900.

About Sea Sonic Electronics:
Sea Sonic Electronics Co., Ltd. has maintained a continuous focus on R&D and the production of quality power conversion products since 1975. The company is headquartered in Taipei, with a production facility in Guangdong, China, and a U.S. branch in California. Over the past decades, Sea Sonic Electronics has provided timely and professional solutions to meet IT industry requirements. Sea Sonic Electronics successfully entered the telecommunication and networking power conversion market in the year 2000. At the same time, manufacturing facilities were expanded to provide JIT global logistics service to meet increased business demand. Sea Sonic has taken a leadership role to develop green & silent power supplies with higher efficiency and higher power output. For more information on the company, visit or