ASUS
ASUS ROG Loki 850P SFX-L Gaming Power Supply
Best high-performance power supply for compact, white-themed gaming PC builds.
The ASUS ROG LOKI 850P WHITE is a premium 850W gaming power supply engineered for compact, high-end PC builds. It utilizes the space-saving SFX-L form factor while delivering exceptional power stability. This unit boasts an 80 PLUS Platinum efficiency rating, minimizing wasted energy and heat output. Featuring ATX 3.0 readiness and customizable AURA SYNC RGB lighting, this striking white edition power supply is built for next-generation performance in smaller chassis.
$259.99
Owner Satisfaction
4.5
/ 5
Category Rank
321
/ 1062
#321 in Computer Power Supplies
Price vs Category Average
-72%
Below average
Wattage
850
/ W
Who it's for
- Eco-conscious builders seeking lower energy bills and reduced heat
- Gamers using modern high-performance graphics cards
- SFF enthusiasts building powerful systems in compact cases
Who should skip it
- Budget-focused builders prioritizing cost over premium features
- Users with extremely tight or restrictive mini-ITX enclosures
- Minimalists who prefer clean, non-lit aesthetic builds
Performance breakdown
Power Density
Delivers massive wattage within a remarkably compact SFX-L footprint.
Energy Efficiency
Platinum certification ensures minimal heat waste during intensive gaming sessions.
Future Readiness
Full ATX 3.0 compliance supports the latest high-draw graphics cards.
Aesthetic Integration
Aura Sync lighting adds a premium visual flair to white builds.
Thermal Management
Efficient internal layout keeps components cool under heavy sustained loads.
Build Quality
Robust construction feels premium and built for long-term reliability.
Key Specs
Wattage
850W
Form Factor
SFX-L
Efficiency Rating
80 PLUS Platinum
Standard Compliance
ATX 3.0
Color
White
Model Number
ROG-LOKI-850P-WHITE-SFX-L
Features
- High efficiency 80 PLUS Platinum certified
- Supports next-generation ATX 3.0 standard
- Compact SFX-L form factor for small cases
- Integrated AURA SYNC RGB lighting
- Striking white edition aesthetic
- Delivers 850W of stable power
What customers say
Customers highly regard the ASUS ROG Loki 850P as a premium power supply perfect for high-performance Small Form Factor builds needing significant wattage. The core appeal centers on exceptional build quality, confirmed by its 80 PLUS Platinum efficiency, ensuring reliable power and low heat. Reviewers consistently praise the quiet operation due to the larger fan in the SFX L design. A major draw is the aesthetic appeal, featuring signature ROG design and addressable RGB lighting for visually striking systems. While performance is stellar, the premium price point is noted as a trade-off for the brand and looks. Despite slightly stiff cables impacting management in tight spaces, the consensus is this unit is the top choice for enthusiasts prioritizing uncompromising performance and visual appeal in compact gaming rigs.
Know before you buy
Yes, the ROG Loki includes an ATX-to-SFX adapter bracket, allowing you to mount it in standard ATX cases. However, keep in mind that the cables are designed for smaller builds and may be shorter than those found in full-sized power supplies.
ATX 3.0 compliance ensures the power supply can handle the high transient power spikes common in modern, high-end graphics cards. It also includes a native 16-pin PCIe cable, providing a cleaner, more reliable connection for the latest GPUs without needing bulky adapters.
Yes, the integrated AURA SYNC lighting uses a standard 3-pin addressable RGB header. You can control the lighting effects through your motherboard's software or a compatible third-party RGB controller.
The Platinum rating indicates high energy efficiency, meaning the unit converts more power from your wall outlet into usable energy for your components. This results in less wasted electricity, lower operating costs, and significantly less heat generated inside your compact case.
The Loki features a high-performance fan with PWM control that adjusts speed based on load. At low to moderate power draws, the fan operates very quietly, making it suitable for compact builds sitting on a desk.
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