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NZXT
NZXT C850 Gold ATX 3.1 Low-Noise Power Supply White
★★★★★
80 PLUS Gold
Power Your Gaming Rig with ConfidenceThe NZXT C850 Gold ATX 3.1 Power Supply is engineered for high-performance PC gaming, providing stable and efficient power delivery. With full modularity, low-noise operation, and premium components, this power supply ensures reliable performance for your gami...
$124.99*$149.99Save 16%
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*Price sourced from Amazon.com. Last updated:Jul 21, 2026.Price and availability are subject to change.
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Overview
Power Your Gaming Rig with Confidence
The NZXT C850 Gold ATX 3.1 Power Supply is engineered for high-performance PC gaming, providing stable and efficient power delivery. With full modularity, low-noise operation, and premium components, this power supply ensures reliable performance for your gaming rig.
- Standard: ATX 3.1
- Wattage: 850 Watts
- Certification: 80 PLUS Gold, Cybenetics Gold (Efficiency), Cybenetics A- (Noise Level)
- Connector: 12V-2x6 (up to 600W for NVIDIA GeForce RTX 40 Series)
- Fan: 135mm fluid dynamic bearing fan with Zero Fan Mode
- Capacitors: 100% Japanese Capacitors
- Color: White
- Form Factor: ATX
- Dimensions: 6.3 x 5.91 x 3.39 inches
Key Features
ATX 3.1 — Compliant with the ATX 3.1 standard to fuel high-performance PC components with stability, efficiency, and power spike resistance.
40 SERIES READY — Durable, heat-resistant 12V-2x6 connector pumps up to 600 watts to NVIDIA GeForce RTX 40 Series graphics cards.
HIGH EFFICIENCY, LOW NOISE — Awarded certifications of 80 PLUS Gold Efficiency, Cybenetics Gold Efficiency, and Cybenetics A- Noise Level.
ULTRA-LOW NOISE FAN — 135mm fluid dynamic bearing fan with Zero Fan Mode is completely silent when under 50% load.
HIGH-QUALITY CONSTRUCTION — 100% premium Japanese capacitors improve hold-up time and minimal ripple noise, ensuring reliable and stable power delivery.
Specifications
Standard Compliance
ATX 3.1
GPU Connector
12V-2x6 (up to 600W)
GPU Series Support
NVIDIA GeForce RTX 40 Series
Efficiency Certification
80 PLUS Gold, Cybenetics Gold
Noise Level Certification
Cybenetics A-
Fan Type
135mm Fluid Dynamic Bearing
Fan Feature
Zero Fan Mode (under 50% load)
Capacitors
100% Premium Japanese
Color
White
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Check on Amazon →Frequently Asked Questions
Is the NZXT C850 Gold Power Supply compatible with the new ATX 3.1 standard?
Yes, this power supply is compliant with the ATX 3.1 standard, ensuring stable and efficient power delivery for modern PC components.
Does this power supply support NVIDIA GeForce RTX 40 Series graphics cards?
Yes, it is 40 Series Ready, featuring a durable, heat-resistant 12V-2x6 connector that can deliver up to 600 watts to NVIDIA GeForce RTX 40 Series GPUs.
What efficiency certifications does this power supply have?
The NZXT C850 Gold has been awarded 80 PLUS Gold Efficiency and Cybenetics Gold Efficiency certifications, indicating high power conversion.
How quiet is the fan on this power supply?
It features an ultra-low noise 135mm fluid dynamic bearing fan with Zero Fan Mode, which means it operates silently when under 50% load and has a Cybenetics A- Noise Level rating.
What kind of capacitors are used in this power supply?
This power supply is built with 100% premium Japanese capacitors, which contribute to improved hold-up time and minimal ripple noise for stable power.
Will the fan always be on while the computer is running?
No, the Zero Fan Mode ensures the fan is completely silent when the power supply is operating under 50% load.
Is this power supply suitable for high-performance PC builds?
Yes, its ATX 3.1 compliance, support for RTX 40 Series GPUs, and premium components make it suitable for powering high-performance PC components.
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