Seasonic FOCUS GX-850 V4 850W 80 PLUS Gold Fully Modular ATX PSU White

FOCUS GX-850 V4 ATX 3.1 Power Supply

The Seasonic FOCUS GX-850 V4 represents the fourth generation of Seasonic’s acclaimed FOCUS line, upgraded to meet the latest ATX 3.1 and PCIe 5.0/5.1 standards. This 850W fully modular power supply delivers exceptional performance for modern high-power graphics cards and processors. With an 80 PLUS Gold efficiency rating achieving up to 92% efficiency, the unit provides reliable power delivery with minimal energy waste. The single strong +12V rail delivers 70A (840W), capable of handling approximately 97% of the unit’s total power output, making it ideal for demanding gaming and workstation builds.

The FOCUS GX-850 V4 features Seasonic’s proprietary OptiSink technology, which delivers up to 8 times better heat dissipation through automated surface mount technology, smaller MOSFETs, and optimized PCB design. This results in cooler operation, lower noise levels, and improved long-term reliability. The unit employs a full-bridge LLC with DC-to-DC design, active PFC, and a 135mm Fluid Dynamic Bearing (FDB) fan with Hybrid Silent Fan Control offering three operational modes: Fanless Mode for silent operation at low loads, Silent Mode for balanced performance, and Cooling Mode for maximum thermal management under heavy loads. High-quality Japanese capacitors rated for 105°C operation ensure durability, while comprehensive protection features including OCP, OVP, UVP, SCP, OTP, and OPP safeguard connected components.

Key specifications and features:

• Native 12V-2X6 (600W) PCIe 5.0 connector for next-generation GPUs
• Three 6+2 pin PCIe power connectors for legacy GPU support
• Compact 140mm depth design fits most PC cases
• Fully modular sleeved cables for clean cable management
• 10-year manufacturer warranty
• ATX 3.1 and PCIe 5.1 compliant
• Available in black and white color options
• Peak power output up to 968W (1.93KW for up to 100ms)