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SeaSonic X Series X-850 (SS-850KM3 Active PFC F3) 850W ATX12V v2.3 / EPS 12V v2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Haswell Ready
Patented DC Connector Module with Integrated VRM (Voltage Regulator Module)
This patented full modular design minimizes voltage drop and impedance, maximizes efficiency and enhances the overall performance for cooling and reliability. *Patent Pending: US, CN, JP, TW & DE
80 PLUS® Gold Certified Super High Efficiency
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 computer's system, and prolonging its life.
Sanyo Denki San Ace Silent Fan
The Sanyo Denki San Ace PWM Silent Fan plus Hexflo honey comb cutouts increase overall airflow in the power supply enclosure and help remove heat from the chassis simultaneously.
Universal AC Input (Full Range)
The Sea Sonic X850 power supply provides a maximum power of 850W to deliver safe, reliable output for high-end computer systems. A strong +12V single rail ensures the maximum provision of 12V power to energy-hungry components such as CPU and VGA card, minimizing the likelihood of overload shut down.
Seasonic Hybrid Silent Fan Control
DC to DC Converter Design
Conductive Polymer Aluminum Solid Capacitors - Enhanced stability at severe operating conditions.
Highly Reliable 221°F (105°C) Japanese Brand Capacitors - Exceptionally reliable components extend product life.
Tight Voltage Regulation (±1%)
Active Power Factor Correction (99% PF Typical) - Reduces line loss and power distortion.
High +12V Output
High Current Gold Plated Terminals
Dual Sided PCB Layout
Ultra Ventilation (Honeycomb Structure)
Multi-GPU Technologies Supported
All-in-One DC Cabling Design
Product Information - X-850 (SS-850KM3 Active PFC F3)
What's in the Box
Learn more about the SeaSonic USA X-850 (SS-850KM3 Active PFC F3)
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