ASUS ROG Strix 850 Fully Modular 80 Plus Gold

PSU Tier A • ASUS • $ 210.95

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The ASUS ROG Strix 850 Fully Modular 80 Plus Gold power supply delivers robust, efficient, and reliable power for high-performance gaming rigs and content creation workstations. With an 850W output and 80 Plus Gold certification, it ensures up to 90% efficiency under typical loads, reducing heat and energy waste. Its fully modular design allows you to connect only the cables you need, resulting in a cleaner build and improved airflow.

Target Audience

This PSU is ideal for gamers, PC enthusiasts, and professionals building a high-end system with the latest GPUs like the RTX 4090. It's also perfect for those who value cable management and want a future-proof power supply for overclocking and demanding workloads.

Key Features

850W Output: Ample power for high-end CPUs and GPUs, including RTX 4090 support.
80 Plus Gold Certified: High efficiency (up to 90%) for lower electricity bills and less heat.
Fully Modular Design: Detachable cables for a tidy build and easy installation.
ATX Form Factor: Standard size compatible with most PC cases.
Air Cooling: Equipped with a 135mm Axial-tech fan for excellent cooling with low noise.
Premium Components: Japanese capacitors and robust protections (OPP, OVP, UVP, SCP, OCP, OTP) ensure longevity and safety.
ROG Heatsinks: Large heatsinks provide superior thermal performance.

Performance and Use Cases

Whether you're gaming at 4K, rendering 3D animations, or running AI workloads, the ROG Strix 850 delivers stable and clean power. Its 80 Plus Gold efficiency means less heat and quieter operation. The fully modular cables simplify cable routing, making it a favorite among builders who prioritize aesthetics and airflow. With a 10-year warranty, this PSU is built to last through multiple system upgrades.

Why Choose ASUS ROG Strix?

ASUS ROG (Republic of Gamers) is synonymous with premium quality and performance. This PSU is engineered with the same dedication to excellence, featuring a sleek design with ROG aesthetics, a 0dB fan mode for silent operation at low loads, and a user-friendly design that makes installation a breeze. It's the perfect choice for those who demand nothing but the best for their system.

Key Specifications

Connector Type: ATX

Output Wattage: 850 Watts

Form Factor: ATX

Wattage: 850

Cooling Method: Air

Design: Full Modular

GPU Support: RTX 4090

Detailed Parameters

Rated Power Output in Watts:: 850
Form Factor:: ATX, EPS

Where to Buy

Amazon

Pros

Fully modular design simplifies cable management
80 Plus Gold efficiency reduces heat and energy costs
Supports high-end GPUs like RTX 4090
Quiet operation with 0dB fan mode
10-year warranty for long-term reliability

Cons

Higher price compared to non-modular PSUs
ATX size may not fit compact cases
No included SATA cables? (Actually included, but limited)

Frequently Asked Questions

Is the ASUS ROG Strix 850 enough for an RTX 4090?

Yes, the 850W output is sufficient for an RTX 4090, especially when paired with a mid-range CPU. However, for overclocking or high-end CPUs like the i9-13900K, a 1000W PSU is recommended for headroom.

What is the warranty period for this PSU?

ASUS provides a 10-year warranty for the ROG Strix 850, covering defects in materials and workmanship.

Does this PSU have a fanless mode?

Yes, it features a 0dB fan mode that stops the fan completely under low loads, ensuring silent operation during light use or idle.

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