ASUS Prime 850W Gold Fully Modular Power Supply – ATX 3.1

Product Overview

The ASUS Prime 850W Gold Fully Modular Power Supply is a premium high-efficiency PSU designed to deliver stable, reliable power for gaming systems, performance desktops, and modern PC builds. Built with durable premium components, ATX 3.1 compliance, native PCIe Gen 5 GPU support, and fully modular cable management, this power supply provides excellent efficiency, clean power delivery, and long-term reliability for demanding systems.

Reliable 850W Power Delivery

With a total output capacity of 850 watts, this PSU provides dependable power for gaming systems, enthusiast desktops, creator workstations, and future hardware upgrades.

Its strong +12V rail delivering up to 744W ensures stable performance for power-hungry CPUs and GPUs.

80 PLUS Gold Certified Efficiency

Certified 80 PLUS Gold, the ASUS Prime 850W is engineered for high power efficiency, reducing wasted energy, heat generation, and overall power consumption.

This efficiency is achieved through premium internal components including low-ESR capacitors and quality power regulation design.

ATX 3.1 Ready for Next-Generation Systems

Fully compliant with the latest ATX 3.1 power standard, this PSU is built for modern and future PC hardware, offering improved voltage regulation, transient response handling, and next-generation compatibility.

Native PCIe Gen 5 Graphics Card Support

Includes a native 16-pin PCIe power connector (12VHPWR style compatibility) for modern PCIe Gen 5 graphics cards, eliminating the need for bulky adapters and ensuring cleaner, safer power delivery to next-generation GPUs.

Fully Modular Cable Design

The fully modular design allows users to connect only the cables they need, reducing cable clutter and improving airflow for cleaner, more efficient system builds.

Included connectors:
• 1 x 24/20-pin motherboard connector
• 2 x CPU 4+4-pin connectors
• 1 x native PCIe 16-pin connector
• 3 x PCIe 8-pin connectors
• 5 x SATA connectors
• 3 x peripheral connectors

Durable Dual Ball Bearing Cooling Fan

Equipped with a dual ball bearing cooling fan, engineered to last up to twice as long as standard sleeve-bearing fans, ensuring long-term cooling reliability and stable PSU operation.

Industrial-Grade Protection Features

Comprehensive protection circuitry safeguards both PSU and system components:
• OPP (Over Power Protection)
• OVP (Over Voltage Protection)
• UVP (Under Voltage Protection)
• SCP (Short Circuit Protection)
• OCP (Over Current Protection)
• OTP (Over Temperature Protection)

Premium Build Quality

Engineered for durability and stability with premium internal components and a long operational lifespan:
• Active PFC design
• MTBF >120,000 hours @ 25°C
• ROHS compliant construction

Compact Standard ATX Form Factor

Standard dimensions: 150 x 150 x 86 mm
Compatible with most ATX PC cases and gaming chassis.

Ideal For

Perfect for gaming PCs, RTX-powered builds, creator workstations, performance desktops, enthusiast systems, and users upgrading to modern ATX 3.1 platforms.

Warranty Support

Backed by an ASUS 8-year warranty for long-term confidence and reliability.