ASUS ROG Strix 850G 850W 80 PLUS Gold Modular Power Supply (White)

Overview

The ASUS ROG Strix 850G 850W 80 PLUS Gold Modular Power Supply (White) is a high-performance ATX power supply designed to deliver stable and efficient power for gaming PCs, creative workstations, and demanding builds. With an 850 watt capacity and an 80 PLUS Gold certification, it achieves up to 87 percent efficiency at full load, helping to reduce energy waste and keep system temperatures manageable. Its fully modular design and white finish make it an excellent choice for builders who want both functionality and a clean, stylish look.

Key features

• Single +12 volt rail rated at 70 amps provides consistent and reliable power to high-demand components like CPUs and GPUs.
• Fully modular cabling system allows you to connect only the cables you need, improving airflow and reducing clutter inside your case.
• 135 mm Axial-tech fan with dual ball bearings ensures quiet operation and long service life, with 0 dB mode under light to moderate loads for silent performance.
• Enlarged ROG heatsinks efficiently dissipate heat, helping to maintain lower temperatures and extend the lifespan of internal components.
• Embedded capacitors in cable plugs smooth out transient power spikes, protecting sensitive hardware from electrical fluctuations.
• Comprehensive protection suite includes over-power, over-voltage, short-circuit, over-current, and over-temperature safeguards to keep your system safe.
• White exterior finish complements themed builds and cases with contrasting lighting, adding a visual highlight to your setup.

Key specs

• Power output: 850 watts
• Efficiency rating: 80 PLUS Gold (up to 87% efficiency at full load)
• +12V rail current: 70 amps
• Fan size: 135 mm Axial-tech fan with dual ball bearings
• Connectors: 1x 24-pin ATX, 2x 4+4-pin EPS, 6x 6+2-pin PCIe, 8x SATA, 6x 4-pin peripheral
• Protection features: OPP, OVP, SCP, OCP, OTP

Connectivity and compatibility

This power supply includes a comprehensive set of connectors to support a wide range of modern PC components. The dual 4+4-pin EPS connectors are ideal for multi-core CPUs, while six 6+2-pin PCIe connectors accommodate one or more high-end graphics cards. Multiple SATA and peripheral connectors ensure compatibility with various storage devices and accessories. Its modular design means you can customize cable usage to fit your specific build, improving airflow and ease of installation.

Performance and reliability

Designed to maintain stable power delivery under heavy loads, this unit’s single +12 volt rail provides a strong and consistent current to demanding hardware. The combination of enlarged heatsinks and an efficient fan design keeps temperatures low without generating excessive noise. The 0 dB fan mode allows for silent operation during everyday tasks, making it suitable for quiet environments. Built-in protections guard against common electrical issues, ensuring your components remain safe and your system runs smoothly.

Ideal uses and environments

This power supply fits well in high-refresh gaming rigs, multi-GPU workstations, and quiet home theater PCs where efficient power delivery and clean cable management are priorities. Its white finish makes it a strong choice for builders who want their power supply to complement themed or showcase cases. Whether you are assembling a performance-focused gaming setup or a professional creative workstation, this unit offers the reliability and efficiency needed to support demanding components.