ASUS
ASUS ROG Loki SFX-L 1200W PSU
Best high-capacity power supply for compact, enthusiast-grade PC builds.
The ASUS ROG Loki SFX-L 1200W Titanium PSU is a premium power supply engineered for compact, high-performance PC builds. It delivers exceptional power conversion efficiency thanks to its 80+ Titanium rating. This fully modular unit features a 120mm PWM ARGB fan with Aura Sync support for customizable aesthetics. Designed for modern systems, it is fully compliant with ATX 3.0 standards and is PCIe 5.0 ready. ASUS backs this high-end component with a comprehensive 10-year warranty, ensuring reliability for demanding users.
$409.99
Owner Satisfaction
4.5
/ 5
Category Rank
321
/ 1062
#321 in Computer Power Supplies
Price vs Category Average
-56%
Below average
Wattage
1200
/ W
Who it's for
- Enthusiasts building high-performance, power-efficient compact gaming rigs
- Gamers using modern NVIDIA RTX 40-series graphics cards
- System builders prioritizing aesthetic flair in showcase SFF builds
Who should skip it
- Users with ultra-compact cases strictly limited to standard SFX units
- Budget-conscious builders looking for better value per watt
- Mainstream users with modest hardware requirements and lower power needs
Performance breakdown
Power Density
Unmatched wattage output packed into a compact SFX-L footprint.
Energy Efficiency
Titanium certification ensures minimal power waste during high-load operations.
Cable Management
Fully modular design keeps small-form-factor builds clean and clutter-free.
Future Proofing
ATX 3.0 and PCIe 5.0 support handle next-gen hardware requirements easily.
Thermal Performance
PWM fan cooling maintains stability under intense gaming or rendering loads.
Build Reliability
Ten-year warranty reflects premium components and long-term operational confidence.
Key Specs
Wattage
1200W
Efficiency Rating
80+ Titanium
Form Factor
SFX-L
Modularity
Fully Modular
Fan Size
120mm PWM ARGB Fan
Compatibility
ATX 3.0, PCIe 5.0 Ready
Warranty
10 Year
Features
- Achieves top-tier 80+ Titanium efficiency
- Fully modular design simplifies cable management
- Includes ARGB fan with Aura Sync control
- Ready for the latest GPUs and CPUs
- Supports the modern ATX 3.0 standard
- SFX-L form factor for small cases
What customers say
This power supply is celebrated for its unmatched engineering, delivering 1200W Titanium efficiency in the compact SFX-L form factor. Users highly value the native 12VHPWR connector, simplifying power delivery for top-tier GPUs in small builds. The build quality is premium, and operation remains surprisingly quiet even under heavy demand. Reliability is a key strength, offering stability for expensive components. While performance is best in class for demanding SFF systems, the high price positions this unit firmly in the luxury segment. Its slightly longer size may also pose minor challenges in the most constrained cases. Overall, it is the premier choice for builders prioritizing peak power and efficiency.
Know before you buy
Yes, the ROG Loki is an SFX-L unit, which is smaller than a standard ATX power supply. It includes an ATX adapter bracket, allowing you to mount it securely in larger cases without any compatibility issues.
These standards ensure the power supply is fully compatible with the latest high-performance graphics cards that use the 12VHPWR connector. It provides the necessary power delivery and transient response required by modern, power-hungry GPUs.
Yes, the 120mm fan features built-in ARGB lighting that is compatible with ASUS Aura Sync. You can customize the colors and lighting effects through your motherboard software to match the rest of your system's aesthetic.
The 80+ Titanium rating is the highest efficiency certification available, meaning the unit wastes very little energy as heat. This results in lower electricity costs, quieter operation, and less thermal stress on your internal components.
Absolutely. In compact cases, space is at a premium, and a fully modular design allows you to use only the cables you need. This significantly reduces clutter, improves airflow, and makes the installation process much easier.
ASUS backs this power supply with a 10-year warranty, reflecting their confidence in the unit's build quality and components. It is designed to handle high-performance loads consistently over the lifespan of your PC.
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$410