Seasonic FOCUS GX-850 White 850W ATX 3.0 Gold Modular PSU

The Seasonic FOCUS GX-850 White is an 850W fully modular ATX power supply with 80 PLUS Gold certification, delivering efficient, stable power for high-performance desktop builds. Its compact 140 mm deep chassis and fanless-until-30%-load design make it a clean, quiet choice for multi-GPU setups.

Key Features

• 80 PLUS Gold certified efficiency
• Compact 140 mm deep chassis
• Tight voltage regulation
• Cable-free connection design
• S3FC fan control – fanless until 30% load
• Supports multi-GPU setups
• Gold plated connectors
• Fully modular with flat cables

Specifications

• Form factor: Intel ATX 12 V
• Dimensions: 140 mm (L) x 150 mm (W) x 86 mm (H)
• Fan size: 120 mm
• Fan bearing: Fluid Dynamic Bearing
• Fan life expectancy: 50,000 hours at 40 °C, 15%–65% RH
• Operating temperature: 0–50 °C (derating from 100% to 80% from 40 °C to 50 °C)
• MTBF at 25 °C (excluding fan): 100,000 hours
• AC input: 100–240 V, 12–6 A, 50–60 Hz, full range
• Protection: OPP, OVP, UVP, OCP, OTP, SCP
• Safety and EMC: cTUVus, TUV, CB, CCC, BSMI, EAC, CE
• Environmental compliance: Energy Star, RoHS, WEEE, ErP Lot 6, REACH
• Warranty: 10 years

Power Output

• +3.3 V: 20 A (100 W)
• +5 V: 20 A (100 W)
• +12 V: 70 A (840 W)
• -12 V: 0.3 A (3.6 W)
• +5 VSB: 3 A (15 W)
• Total continuous power: 850 W