PRIME-850G

Asus Prime 850W 80Plus Gold Black Edition PCI-e 5.0 Modular Power Supply

Asus Prime 850W 80Plus Gold Black Edition PCI-e 5.0 Modular Power Supply, 850W total Output capacity with ATX 3.1 compliance, Fully Modular Design with etched cables, 80Plus Gold and Cybenetics Gold Certified for up to 92% efficiency, Includes bundled 16 pin PCI-e Gen 5.1 cable for RTX 50 and RX 9000 Series GPUS, Power excursions supported up to twice the rated Output, Equipped with a 135mm dual-ball bearing fan, Utilizes low-esr capacitors and Premium components

Overview:

The ASUS Prime 850W 80PLUS Gold Black Edition is a fully modular ATX 3.1 power supply built for high-performance workstations, all-round PCs, and gaming rigs that demand reliable, efficient power delivery. This unit delivers dual 80 PLUS and Cybenetics Gold certification through the use of low-ESR capacitors and premium components, ensuring operation at up to 92% efficiency while generating less heat and running quieter under load.

Description:

The ASUS Prime 850W Gold Black Edition (Part Number: PRIME-850G) combines high-efficiency power delivery with modern connectivity standards. Engineered for stability, it accommodates power excursions up to twice the rated output via the ATX 3.1 standard and includes a bundled 16-pin PCIe Gen 5.1 cable ready for the latest GeForce RTX 50 and Radeon RX 9000 series graphics cards. The fully modular design utilizes etched cables made from tin-plated oxygen-free copper, which flex easily to simplify installation while running significantly cooler than safety limits. A 135 mm fan on a dual-ball bearing setup ensures long-lasting, quiet cooling with a lifespan up to twice that of sleeve bearing designs.

Features:

Key Performance Features:

• Fully modular design with premium etched cables made from tin-plated oxygen-free copper for easy cable management
• 80 PLUS Gold and Cybenetics Gold certified for up to 92% efficiency, reducing heat output and noise levels
• ATX 3.1 compliance supporting power excursions up to twice the rated output for rock-solid GPU stability
• Bundled PCIe Gen 5.1 compatible 16-pin cable ready for next-gen graphics cards like GeForce RTX 50 series
• 135 mm dual-ball bearing fan designed to last up to two times longer than sleeve bearing alternatives
• Six layers of protection including over-current, over-temperature, over-voltage, over-power, short circuit, and under-voltage safeguards

The unit is certified by UL1581 and UL758 standards for cable safety. With dimensions of 15 x 15 x 8.6 cm and a weight of 1480g, it fits standard ATX cases while providing a robust power foundation. The Prime series is designed to be a dependable component for serious builds requiring consistent performance.

Technical
Specifications:

• Wattage: 850W
• Efficiency Rating: 80PLUS Gold (up to 92%)
• Modularity: Full Modular
• Form Factor: ATX
• ATX Standard: ATX 3.1
• 12V-2x6 / PCIe Gen5 Connector: Yes
• Fan Size: 135mm dual-ball bearing
• Colour: Black
• Product Dimensions: 15 x 15 x 8.6 cm
• Product Weight: 1480g

Whats' in the box

• ASUS Prime 850W 80PLUS Gold Black Edition PSU - Black x1
• Power Cord x1
• Motherboard Power Cable (600mm) x1
• CPU 1-to-2 Cable (650mm+150mm) x1
• PCIe Gen 5.1 Cable 16-pin-to-16-pin (600mm) x1
• PCIe 1-to-1 Cable 8-pin-to-6+2pin (600mm) x1
• PCIe 1-to-2 Cable 8-pin-to-6+2pinx2 (600+150mm) x1
• SATA 1-to-2 Cable (400+120mm) x1
• SATA 1-to-3 Cable (400+120+120mm) x1
• Peripheral 1-to-4 Cable (400+150+150+150mm) x1
• User Manual x1

This power supply unit, identified by the part number PRIME-850G, represents a reliable choice for builders seeking efficiency and modern compatibility without compromising on build quality.

Specifications:

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Specifications
Product Code	PRIME-850G
Wattage	850W
Efficiency Rating	80PLUS Gold
Modularity	Full Modular
Form Factor	ATX
ATX Standard	ATX 3.1
12V-2x6 / PCIe Gen5 Connector	Yes
Fan Size	135mm
Colour	Black
Product Dimensions	15 x 15 x 8.6 cm
Product Weight	1480g

FAQ

Is this power supply compatible with the latest graphics cards?
The ASUS Prime 850W Gold Black Edition is ATX 3.1 and PCIe Gen 5.1 ready, featuring a bundled 16-pin cable specifically designed for GeForce RTX 50 and Radeon RX 9000 series GPUs.

How does the cooling system work?
The unit utilizes a 135 mm fan with a dual-ball bearing setup that is rated to last up to twice as long as sleeve bearing designs, ensuring quiet operation while keeping components cool.

Does this PSU support high power spikes from modern GPUs?
Yes, the ATX 3.1 compliance allows for power excursions up to twice the rated output of 850W, providing rock-solid stability during peak load demands.

Is cable management difficult with this model?
No, it features a fully modular design with premium etched cables made from tin-plated oxygen-free copper that flex easily and run significantly cooler than standard safety limits for clean builds.

What are the physical dimensions of the power supply?
The unit has a compact ATX form factor measuring 15 x 15 x 8.6 cm and weighs 1480g, making it suitable for most standard PC cases.