ASUS ROG LOKI SFX-L Titanium 1200W Modular Power Supply

Overview

The ASUS ROG-LOKI-1200T-SFX-L-GAMING is a modular SFX-L power supply designed to deliver 1200 watts of continuous power through a single +12 V rail. It provides the power capacity typically found in full-sized desktop units but in a compact form factor ideal for Mini ITX or Micro ATX gaming and workstation builds. With an 80 PLUS Titanium certification, it ensures high energy efficiency, reducing heat output and keeping your system cooler and quieter, especially in tight enclosures.

Key features

• Delivers stable and continuous 1200 W output on a single +12 V rail, supporting high-end GPUs and demanding processors.
• 80 PLUS Titanium certification maximizes power efficiency, minimizing wasted energy and heat generation.
• Fully modular cable design with etched labels simplifies installation and cable management by allowing you to connect only what you need.
• Includes a PCIe 5.0 16-pin cable capable of delivering up to 600 W to modern flagship graphics cards.
• Equipped with a 120 mm dual ball bearing fan that operates silently with zero RPM mode under 40% load, enhancing quiet operation.
• ROG-designed heatsinks improve thermal management, allowing the fan to run at lower speeds and extending component lifespan.
• Comprehensive protection circuits guard against over current, over voltage, under voltage, over temperature, and short circuits for reliable operation.
• Includes an ATX to SFX adapter bracket for easy migration to larger chassis if needed.
• Backed by a 10-year limited warranty, reflecting ASUS’s confidence in durability and long-term performance.

Key specs

• Power output: 1200 W continuous on a single +12 V rail
• Efficiency rating: 80 PLUS Titanium
• Form factor: SFX-L, ATX 3.1 compliant
• Cooling: 120 mm dual ball bearing fan with zero RPM mode below 40% load
• PCIe cable: 16-pin PCIe 5.0 delivering up to 600 W
• Cable type: Fully modular with etched identification
• Protection features: Over current, over voltage, under voltage, over temperature, short circuit
• Warranty: 10-year limited manufacturer warranty

Connectivity and compatibility

This power supply supports a wide range of modern hardware through its extensive cable set. The PCIe 5.0 16-pin cable ensures compatibility with the latest high-power graphics cards, while additional CPU, SATA, and peripheral connectors cover all essential components in a gaming or workstation build. The included ATX adapter bracket allows seamless integration into larger cases, making it versatile for future upgrades or system migrations.

Performance and reliability

Designed for demanding setups, this unit maintains stable power delivery even under heavy loads, thanks to its single +12 V rail design. The high efficiency rating reduces heat output, which combined with ROG’s custom heatsinks and a quiet fan, keeps the power supply running cool and silent. Built-in protection circuits provide peace of mind by preventing damage from electrical faults, ensuring your components stay safe during intense gaming or professional workloads.

Ideal uses and environments

The ASUS ROG Loki SFX-L Titanium 1200W power supply is well suited for compact gaming rigs, portable LAN party systems, and professional workstations that require high wattage in a small footprint. It fits naturally into Mini ITX or Micro ATX cases where space is limited but power demands remain high. Its quiet operation and efficient design also make it a strong choice for living room gaming PCs or home studios where noise and heat need to be minimized.