NZXT C850 SFX Gold - 850W SFX ATX 3.1 - 80 Plus Gold, Cybenetics Platinum - Fully Modular

DESIGNED FOR COMPACT BUILDS - Maximize space efficiency with the SFX form factor, delivering full-power capabilities in a size optimized for small form factor (SFF) cases.
RELIABLE GPU POWER - ATX 3.1 certification and a 600W 12V-2x6 connector ensure safe, dependable power delivery for modern graphics cards.
PREMIUM EFFICIENCY, QUIET OPERATION - 80 PLUS Gold and Cybenetics Platinum efficiency ratings reduce heat output, while a Cybenetics A- noise rating ensures quieter system performance.
UNINTERRUPTED SYSTEM PERFORMANCE - Low ripple noise, tight voltage regulation, and long hold-up time help protect components and maintain system stability.
SILENT COOLING WITH FDB FAN - A 92 mm fluid dynamic bearing (FDB) fan provides durable, efficient cooling and includes a Zero RPM mode for silent operation.
ENHANCED DURABILITY AND STABILITY - Built with 105°C-rated Japanese capacitors to ensure long-term reliability and consistent performance, even during heavy workloads.
SIMPLIFIED CABLE MANAGEMENT - A fully modular design with embossed cables and included combs lets you connect only what you need, improving routing in tight builds.
BUILT FOR SAFETY AND LONGEVITY - Includes a comprehensive set of safety protections and rigorously stress tested to safeguard your PC

Overview

Specs

Reviews

Dimension & Weight
Dimensions	125 x 63.5 x 100mm
Weight	0.93kg

Connectors
Peripheral Connector	Peripherals Cable 100 + 100 mm (3)

Additional Information
First Listed on Newegg	February 17, 2026

Warranty & Returns