Thermalright KG-850 850W ATX 3.1 PCIe 5.1 80+ Gold Fully Modular Power Supply | High-Efficiency PSU | ATX 3.1 with Native 12V-2x6 Cable | Premium Gaming PSU
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Estimated Delivery:Nov 26 - Nov 30
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Shipping Partner: Leopards Courier,
Thermalright KG-850 850W ATX 3.1 PCIe 5.1 80+ Gold Fully Modular Power Supply | High-Efficiency PSU | ATX 3.1 with Native 12V-2x6 Cable | Premium Gaming PSU
🧠 Thermalright KG-850 850W ATX 3.1 Gold PSU
🔰 Overview
The Thermalright KG-850 850W ATX 3.1 Power Supply is a high-performance, next-generation PSU engineered for modern gaming PCs and professional workstations. Certified with 80+ Gold efficiency, this PSU provides stable power output, reduced heat, and enhanced reliability for high-demand systems.
With full support for ATX 3.1 and PCIe 5.1, the KG-850 includes a native 12V-2×6 cable, designed specifically to power the latest NVIDIA and AMD GPUs safely and efficiently.
Whether you’re building a high-end gaming rig or upgrading to support next-gen graphics cards, the Thermalright KG-850 ensures long-term durability, top-tier performance, and quiet operation.
⚡ Next-Gen Ready: ATX 3.1 & PCIe 5.1 Support
The KG-850 is built according to the newest power standards:
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ATX 3.1 compliance provides higher peak power durability and improved stability.
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PCIe 5.1 ensures safer GPU power delivery with enhanced signaling.
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Native 12V-2×6 connector (updated from 12VHPWR) offers improved reliability and secure contact for modern GPUs.
Perfect for RTX 40 & RTX 50 series graphics cards and powerful gaming builds.
❄️ High-Efficiency 80+ Gold Performance
The 80+ Gold certification guarantees:
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Higher energy efficiency
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Lower heat output
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Reduced electricity usage
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Stable voltage and power delivery across all loads
This makes the KG-850 ideal for both gaming and heavy workloads like rendering or streaming.
🧩 Fully Modular Cable Design
Enjoy the cleanest and easiest build experience:
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Plug only the cables you need
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Improve case airflow
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Maintain a clean, professional-looking interior
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Reduce extra cable clutter
Perfect for PC cases with glass panels or RGB lighting setups.
🌪️ Optimized Cooling & Low Noise Operation
The PSU is equipped with a high-performance cooling fan featuring:
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Smart temperature control
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Ultra-quiet operation during idle and low-load usage
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Efficient cooling under heavy gaming or rendering tasks
Durability and silence go hand in hand with Thermalright’s tuning.
🔧 Technical Specifications
| Specification | Details |
|---|---|
| Model | Thermalright KG-850 |
| Wattage | 850W |
| Certification | 80+ Gold |
| Power Standard | ATX 3.1 |
| GPU Support | PCIe 5.1 with native 12V-2×6 connector |
| Modularity | Fully Modular |
| Cooling Fan | Low-noise, high-performance fan |
| Voltage Regulation | Stable output with advanced protections |
| Protections | OVP / OCP / OPP / SCP / UVP / OTP |
| Connectors | 24-pin ATX, CPU EPS, PCIe, SATA, Molex, 12V-2×6 |
| Efficiency | Up to 90% efficiency |
| Form Factor | Standard ATX |
| Color | Matte Black |
🏁 Conclusion
The Thermalright KG-850 850W ATX 3.1 80+ Gold Fully Modular PSU is built for modern high-performance gaming rigs, offering stable power, next-gen GPU support, exceptional efficiency, and clean modular cable management.
If you're upgrading to an RTX 40/50 GPU or building a future-proof PC, this power supply is one of the best-value choices in its category.