Description
Product Overview
The Thermaltake 850W 80Plus Gold power supply combines premium components with advanced engineering to deliver reliable, efficient power for high‑performance PCs. Built with a single‑plus 12V rail and DC‑to‑DC conversion, it ensures consistent voltage under heavy loads. The unit features a 140mm fluid bearing fan equipped with Smart Zero Fan technology, which stops the fan at low loads for silent operation. Certified 80Plus Gold, it achieves up to 90% efficiency, reducing electricity costs and heat output. Compact dimensions (5.9 x 5.5 x 3.4 inches) and a weight of 3.4 lb make it suitable for a wide range of cases.
Usage
Designed for gamers, content creators, and professionals who demand stable power, this PSU excels in high‑end gaming rigs, VR setups, and workstation builds. Its 850W capacity comfortably supports multiple GPUs, high‑speed CPUs, and fast storage arrays. The unit’s ErP Ready compliance helps meet strict energy‑saving regulations, making it ideal for office environments and eco‑conscious users. 
Why Choose Us
Thermaltake’s reputation for durability and innovation backs this power supply. Industrial‑grade protections—including over‑voltage, over‑current, short‑circuit, and over‑temperature safeguards—protect your components. The Gold certification guarantees high efficiency, while the Smart Zero Fan ensures silent operation during light tasks. With a 5‑year warranty and over 3,000 positive customer reviews, reliability is proven.
Key Features
- 80Plus Gold certification for up to 90% efficiency
- Smart Zero Fan technology provides silent operation at low loads
- High‑amperage single‑plus 12V rail with DC‑to‑DC design for stable power
- Ultra‑quiet 140mm fluid bearing fan for reduced noise
- Comprehensive industrial‑grade protections for component safety
FAQ
Is this PSU compatible with ATX 3.0 motherboards?
Yes, the Thermaltake 850W model supports ATX 3.0 specifications, ensuring compatibility with the latest CPUs and GPUs.
What does Smart Zero Fan mean?
Smart Zero Fan automatically stops the fan when power draw is low, delivering silent operation during idle or light workloads.
How many PCIe connectors are included?
The unit provides multiple 6+2 pin PCIe connectors, sufficient for dual‑GPU configurations.
Does it include a modular cable system?
Yes, the PSU features a fully modular design, allowing you to use only the cables you need for a clean build.
What warranty does Thermaltake offer?
This power supply comes with a 5‑year limited warranty covering manufacturing defects.




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