Asus ROG Strix 850G power supply 850W 🖥

This ATX power supply from ASUS ROG delivers stable power for demanding gaming rigs and high-performance builds, combining quieter operation and extended component life through enhanced cooling and premium parts. It is aimed at gamers and system builders who value reliability during long sessions and lower acoustic impact during light loads.

Key Points

The unit uses ROG-branded heatsinks that cover critical components to help lower temperatures and reduce fan noise during typical use. A specially designed axial-tech fan features a smaller hub that allows longer blades and a barrier ring to push air down more effectively, which helps with airflow across the power stage. The fan employs double ball bearings that can last up to twice as long as sleeve-bearing designs, offering longer mechanical life according to the manufacturer. There is a 0dB technology mode that stops the fan under light loads so you can work or play quietly. The PSU holds an 80 Plus Gold certification, achieved through the use of high-quality Japanese capacitors and other premium internal parts.

Technical Specifications

• Name: ASUS ROG ROG-STRIX-850G
• Certification: 80 Plus Gold
• Form factor: ATX power supply
• Cooling: Axial-tech fan with barrier ring and smaller hub
• Bearings: Double ball bearings

Advantages

The combination of enhanced heatsinks and the axial fan design improves thermal performance, which can prolong the life of internal components and maintain steady voltages during sustained loads. The double ball-bearing fan increases expected longevity, which reduces maintenance and the chance of fan failure over time. With 0dB operation at low load, the unit stays nearly silent during desktop use or light gaming, while still providing the headroom needed when the system demands more power.

Usage Recommendations

Install the power supply in a case with unobstructed airflow to make the most of the axial fan and barrier ring design. If your setup includes multiple high-power components such as top-tier GPUs and overclocked CPUs, the 850W capacity provides a comfortable margin for peak draws. Consider enabling system fan curves in the motherboard firmware to complement the PSU’s 0dB mode, especially if your build has limited case ventilation.

Note that while 80 Plus Gold indicates efficient operation across typical loads according to the certification standards, efficiency gains vary with actual system load and configuration. Also, the silent 0dB behavior is beneficial for low-demand scenarios but the fan will engage under sustained heavy loads to maintain safe temperatures.