ASUS ROG LOKI SFX-L Platinum 850W Modular Power Supply

Overview

The ASUS ROG LOKI SFX-L Platinum 850W Modular Power Supply is a compact power unit designed to deliver high wattage in small form factor builds. It provides a stable 850 W output within the SFX-L size, making it ideal for Mini-ITX gaming rigs or compact workstations that require flagship processors and graphics cards. With an 80 PLUS Platinum efficiency rating, it minimizes wasted energy and excess heat, ensuring efficient and reliable power delivery.

Key features

• 80 PLUS Platinum certification reduces power waste and lowers heat generation for better energy efficiency.
• Fully modular cabling allows you to connect only the cables you need, improving airflow and reducing clutter inside tight cases.
• Includes a 16-pin PCIe 5.0 cable capable of delivering up to 600 W to compatible GPUs, eliminating the need for adapters and supporting next-generation graphics cards.
• 120 mm fan with dual ball bearings and PWM control stays silent during light workloads and ramps up smoothly under heavy load to maintain optimal cooling.
• Addressable RGB lighting around the fan integrates with Aura Sync, enabling synchronized lighting effects in your build.
• Premium Japanese capacitors ensure stable voltage and reliable performance under heavy loads.
• Comprehensive protection circuits guard against over-voltage, over-current, short circuit, over-temperature, under-voltage, and over-power conditions to protect your components.

Key specs

• Power output: 850 W
• Form factor: SFX-L
• Efficiency rating: 80 PLUS Platinum
• Cooling: 120 mm fan with dual ball bearings and PWM control
• PCIe cable: 16-pin PCIe 5.0, supports up to 600 W
• Protection features: Over-voltage, over-current, short circuit, over-temperature, under-voltage, over-power

Connectivity and compatibility

This power supply is designed to fit small cases that support the SFX-L form factor, making it a strong choice for compact gaming PCs and workstations. The included 16-pin PCIe 5.0 cable supports the latest graphics cards without adapters, ensuring compatibility with high-end GPUs. Its fully modular design allows easy customization of cable connections to match your specific components and case layout.

Performance and reliability

With premium Japanese capacitors and a high-efficiency rating, this unit delivers consistent and stable power even under demanding conditions. The advanced cooling system keeps noise levels low during everyday use while providing sufficient airflow during intense gaming or content creation sessions. The extensive protection circuitry safeguards your system from electrical faults, enhancing overall reliability.

Ideal uses and environments

This power supply fits well in compact builds where space is limited but high power is essential. It suits enthusiasts and content creators who want a clean, powerful rig without the bulk of a standard ATX PSU. Its quiet operation and efficient design also make it suitable for home offices or gaming setups where noise and heat need to be controlled.