1. Product Overview
The ASUS ROG Loki SFX-L Platinum 750W is a high-performance, fully modular power supply designed for compact ITX motherboards and Small Form Factor (SFF) PC builds. It delivers stable and efficient power, featuring advanced cooling and customizable ARGB lighting.
Key Features:
- Axial-Tech Fan Design: Features a 120 mm PWM-controlled fan for optimal cooling and low noise levels.
- 80 PLUS Platinum Certification: Achieves up to 92% efficiency, reducing heat and noise while enhancing reliability.
- Cybenetics Lambda A+ Certification: Ensures exceptionally quiet operation with noise levels below 20 dB.
- ATX 3.1 & PCIe 5.1 Ready: Includes a 16-pin cable capable of delivering up to 600W to PCIe 5.1 graphics cards.
- ARGB-Illuminated Fan & Aura Sync: Eight addressable LEDs on the fan can be customized and synchronized with other Aura Sync compatible components.
2. Setup and Installation
Before installation, ensure your system is powered off and unplugged from the wall outlet. Always handle components with care to prevent electrostatic discharge.
2.1 Package Contents
- ASUS ROG Loki SFX-L Platinum 750W Power Supply
- Modular Cable Set (including 16-pin PCIe 5.1 cable)
- Mounting Screws
- User Manual
2.2 Installation Steps
- Prepare Your Case: Open your PC case and locate the SFX-L power supply mounting bracket.
- Mount the PSU: Carefully slide the ROG Loki PSU into the designated SFX-L bay and secure it with the provided screws.
- Connect Motherboard Power: Attach the 24-pin ATX power cable and the 8-pin (4+4) CPU power cable to your motherboard.
- Connect Graphics Card Power: For PCIe 5.1 compatible graphics cards, use the included 16-pin PCIe cable. For older cards, use the appropriate 6+2 pin PCIe cables.
- Connect Peripherals: Attach SATA power cables to your storage drives (SSDs/HDDs) and Molex cables to any other required peripherals.
- ARGB Connection (Optional): Connect the ARGB cable from the PSU to a compatible 3-pin 5V ARGB header on your motherboard for Aura Sync functionality.
- Cable Management: Route all cables neatly to ensure optimal airflow and a clean build.
- Close Case: Once all connections are secure, close your PC case.
Image: The ASUS ROG Loki SFX-L Platinum 750W power supply, showcasing its compact design and modular cable ports.
Image: The 16-pin PCIe 5.1 power cable, designed to deliver up to 600W to compatible graphics cards.
3. Operating Instructions
3.1 Powering On/Off
- Power On: Ensure all cables are correctly connected. Flip the power switch on the back of the PSU to the 'I' (On) position. Then, press your PC's power button.
- Power Off: Shut down your operating system normally. Once the system is off, you can flip the power switch on the PSU to the 'O' (Off) position if needed for maintenance or extended storage.
3.2 ARGB Lighting Control (Aura Sync)
The ROG Loki features an ARGB-illuminated fan. To control the lighting effects:
- Ensure the PSU's ARGB cable is connected to a compatible 3-pin 5V ARGB header on your motherboard.
- Install the ASUS Aura Sync software (or your motherboard's equivalent ARGB control software) on your PC.
- Use the software to customize lighting patterns, colors, and synchronize them with other Aura Sync compatible devices.
Image: The ARGB-illuminated fan of the ROG Loki power supply, showcasing customizable lighting effects.
4. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your power supply.
- Dust Cleaning: Periodically clean the exterior of the power supply and the fan grille to prevent dust buildup. Use compressed air or a soft brush. Ensure the PC is powered off and unplugged before cleaning.
- Cable Inspection: Occasionally check all modular cable connections to ensure they are seated firmly. Loose connections can lead to instability or component damage.
- Environment: Operate the power supply in a well-ventilated area, away from excessive heat, humidity, and direct sunlight.
5. Troubleshooting
If you encounter issues with your power supply, refer to the following common troubleshooting steps:
- No Power:
- Check if the power cable is securely plugged into both the PSU and the wall outlet.
- Ensure the PSU's power switch is in the 'I' (On) position.
- Verify all modular cables (24-pin ATX, CPU, GPU) are correctly and firmly connected.
- Test the wall outlet with another device to confirm it has power.
- System Instability/Crashes:
- Ensure your system's power requirements do not exceed the PSU's 750W capacity.
- Check for any loose cable connections.
- Monitor system temperatures to rule out overheating components.
- Fan Not Spinning:
- The fan may operate in a passive mode at low loads for silent operation. It will spin up as the load increases.
- Ensure no obstructions are blocking the fan blades.
If problems persist after following these steps, contact ASUS customer support for further assistance.
6. Specifications
| Feature | Specification |
|---|---|
| Model Name | ROG Loki |
| Brand | ASUS |
| Power Output | 750 Watts |
| Form Factor | SFX-L |
| Efficiency Certification | 80 PLUS Platinum (Up to 92% efficiency) |
| Noise Certification | Cybenetics Lambda A+ (<20 dB) |
| Cooling Method | 120mm Axial-Tech PWM Fan |
| ATX Compatibility | ATX 3.1 |
| PCIe Compatibility | PCIe 5.1 (16-pin cable included) |
| Modular Design | Fully Modular |
| Dimensions (L x W x H) | 50 x 50 x 28 centimeters (Note: This dimension seems incorrect for a PSU, likely a data entry error. Actual SFX-L PSUs are typically around 125 x 125 x 63.5 mm) |
| Item Weight | 1.82 Kilograms |
| Input Voltage Range | 90-264 Volts (AC) |
| Operating Temperature | Up to 50 Degrees Celsius |
| Part Number | 90YE00N4-B0NA00 |
Image: The ROG Loki power supply highlighting its 80 PLUS Platinum and Cybenetics Lambda A+ certifications.
7. Warranty Information
This ASUS ROG Loki SFX-L Platinum 750W power supply comes with a 2-year manufacturer's warranty.
The warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by improper installation, accidents, misuse, abuse, negligence, unauthorized modification, or power surges. Please retain your proof of purchase for warranty claims.
For detailed warranty terms and conditions, please refer to the official ASUS website or contact ASUS customer support.
8. Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact ASUS customer support through one of the following channels:
- ASUS Official Website: Visit www.asus.com/support/ for drivers, manuals, FAQs, and contact information.
- Online Support: Utilize the online support portal for submitting tickets or chatting with a support representative.
- Telephone Support: Refer to the ASUS website for regional telephone support numbers.
When contacting support, please have your product model (ROG Loki SFX-L 750W Platinum) and serial number ready.