Head-to-head · Best 850w Power Supplies

ASUS ROG Strix 850G Aura vs Corsair RM850x

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Corsair RM850x is the only one of the two with a published score (4.5); ASUS ROG Strix 850G Aura has none, so this is not a close call so much as an unmeasured one. Corsair RM850x is best for: Enthusiasts seeking long-term reliability and quiet operation. Read the strengths below before deciding.

Ranked #8 in Best 850w Power Supplies

ASUS ROG Strix 850G Aura

Unrated4 sources

The ASUS ROG Strix 850G Aura delivers a robust build quality with its 1.5mm sheet metal construction and distinctive grille design that extends over the front with the fan. The PSU features an 80 Plus Gold efficiency rating and provides sufficient power for high-end gaming setups, though its 180mm length may impact case compatibility. cybenetics highlighted the inclusion of individually sleeved cables and a 10-year warranty, though acknowledged potential challenges with cable management.

Strengths

— Includes 135mm fan with potential for improved cooling due to grille structure
— Features 80 Plus Gold efficiency rating
— Provides ample space for components due to larger dimensions (180mm length)

Watch-outs

— Larger dimensions may cause compatibility issues with some cases
— Cable management may be challenging due to individually sleeved cables

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Higher ratedRanked #1 in Best 850w Power Supplies

Corsair RM850x

4.5

3 sources$139.99as of Oct 11

The Corsair RM850x is a high-efficiency, fully modular power supply that meets ATX 3.1 standards with support for PCIe Gen 5 and transient spike resistance. It features a 140mm fluid dynamic bearing fan with adjustable speed control, low noise operation, and a 10-year warranty. The unit includes fully modular cabling with dedicated PCIe and EPS connectors, and it delivers steady power with 90% efficiency. While praised for its build quality and noise performance, some users noted the short distances between peripheral connectors could complicate cable management.

Strengths

— Fully modular design with high-quality cables and dedicated connectors
— 10-year warranty support
— Low noise operation with fluid dynamic bearing fan and zero RPM mode, per KitGuru

Watch-outs

— Fan speed control knob requires manual adjustment under light loads

$139.99 · Check Price on Amazon Full review →

How they stack up

ASUS ROG Strix 850G Aura

The ASUS ROG Strix 850G Aura offers a sturdy build and 135mm fan, but its larger dimensions make it incompatible with many cases, unlike the more compact Seasonic Focus GX-850. It's less efficient than the EVGA SuperNOVA 850 G7 and doesn't match the be quiet! Dark Power Pro 12 850W in noise control, though it provides better aesthetic appeal and more cable management options.

Corsair RM850x

The Corsair RM850x stands out with its 10-year warranty and fluid dynamic bearing fan, offering superior noise control compared to the EVGA SuperNOVA 850 G7 which lacks this premium fan technology. Unlike the Seasonic Focus GX-850, it provides better PCIe 5.0 support and a more robust build quality, though it shares similar modular design with the Corsair RM850e.

Specs side-by-side

Spec	ASUS ROG Strix 850G Aura	Corsair RM850x
Wattage	850W	850W
Efficiency	80 Plus Gold	90% (Cybenetics Gold Certified)
Modularity	Full Modular	Fully Modular
Form Factor	ATX12V	ATX 3.1
Warranty	10 years	10 years
Connectors	1+0× 1+2× 2× 5× 4×	11 modular sockets including 1x 12V-26
Fan Type	0dB Fan Button	140mm FDB
Dimensions	180 x 150 x 86 mm	150 mm x 85 mm x 160 mm

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