Asus ROG STRIX LC III 360 ARGB

ASUS ROG Strix LC III 360 ARGB CPU Liquid Cooler Instruction Manual

Introduction

The ASUS ROG Strix LC III 360 ARGB is an all-in-one CPU liquid cooler designed to provide efficient thermal management for your processor. It features an innovative 360° rotatable water block with Aura Sync compatibility, a new and quieter Asetek Gen7 V2 pump, and premium ROG ARGB radiator fans. This manual will guide you through the installation, operation, and maintenance of your liquid cooler to ensure optimal performance and longevity.

ASUS ROG Strix LC III 360 ARGB All-in-one CPU Liquid Cooler with radiator, three fans, and pump/water block assembly.

Image: The complete ASUS ROG Strix LC III 360 ARGB liquid cooler assembly.

What's in the Box

Verify that all components are present in your package before beginning installation. The package should contain the following items:

Contents of the ASUS ROG Strix LC III 360 ARGB CPU Liquid Cooler package, including the cooler assembly, three ROG Strix AF-12S ARGB fans, accessory pack of screws and brackets, fan cable, ARGB cable, Quick Start Guide, ROG VIP card, and ROG sticker.

Image: All components included in the ASUS ROG Strix LC III 360 ARGB retail box.

  • ROG Strix LC III 360 ARGB CPU Liquid Cooler (Radiator, Pump/Water Block, Tubing)
  • 3 x ROG Strix AF-12S ARGB Fans
  • Accessory Pack of Screws and Brackets (for various CPU sockets)
  • Fan Cable for Fan Connection
  • ARGB Cable for Lighting Control
  • Quick Start Guide
  • ROG VIP Card
  • ROG Sticker

Setup and Installation

Proper installation is crucial for optimal cooling performance. Please refer to the included Quick Start Guide for detailed, step-by-step instructions specific to your CPU socket type. General steps include:

  1. Prepare the Motherboard: Install the appropriate backplate and standoffs for your CPU socket (Intel or AMD).
  2. Mount Radiator Fans: Attach the ROG Strix AF-12S ARGB fans to the radiator using the provided screws. Ensure the fan orientation is correct for desired airflow (intake or exhaust).
  3. Install Radiator: Secure the radiator assembly to your PC case in the desired mounting location (e.g., top, front).
  4. Apply Thermal Paste: If not pre-applied, apply a thin, even layer of thermal paste to the CPU's integrated heat spreader (IHS).
  5. Mount Water Block: Carefully place the water block onto the CPU, aligning it with the standoffs. Secure it with the retention screws, tightening them in a cross pattern until snug. The water block features a 360° rotatable ROG logo, allowing you to adjust its orientation after installation.
  6. Connect Cables: Connect the pump power cable to the designated header on your motherboard (usually 'AIO_PUMP' or 'CPU_OPT'). Connect the fan cables to available fan headers. Connect the ARGB lighting cables to a compatible ARGB header on your motherboard or an ARGB controller.
ASUS ROG Strix LC III 360 ARGB All-in-one CPU Liquid Cooler ready for installation.

Image: The cooler assembly with fans attached, prior to mounting.

After installation, double-check all connections and ensure there are no kinks in the tubing. Power on your system and monitor CPU temperatures to confirm proper operation.

Operating the Cooler

Once installed, the ASUS ROG Strix LC III 360 ARGB operates automatically to cool your CPU. The Asetek Gen7 V2 pump and ROG ARGB fans work in conjunction to maintain optimal temperatures.

ARGB Lighting Control

The cooler features 10+ custom Aura lighting effects for personalized aesthetics. To control the ARGB lighting:

  • Aura Sync Software: Download and install the ASUS Aura Sync software from the official ASUS website. This software allows you to synchronize lighting effects across compatible ASUS components and peripherals, including the water block and radiator fans.
  • Motherboard BIOS: Some basic lighting controls may be available directly through your motherboard's BIOS/UEFI settings.
Close-up of the ASUS ROG Strix LC III 360 ARGB water block with its rotatable ROG logo and vibrant Aura lighting effects.

Image: The water block displaying its customizable ARGB lighting.

Pump and Fan Speed Control

Fan and pump speeds are typically controlled via your motherboard's BIOS/UEFI settings or through software utilities provided by your motherboard manufacturer (e.g., ASUS AI Suite). It is recommended to set fan curves that balance cooling performance with noise levels. The ROG ARGB fans are optimized for acoustics and feature 0dB technology for silent operation under light loads.

A single ROG Strix AF-12S ARGB fan, highlighting its specifications: 2200 RPM fan speed, 3.92 mmH2O fan air pressure, and 70.38 CFM airflow.

Image: Specifications of the ROG Strix AF-12S ARGB fan.

Maintenance

Regular maintenance helps ensure the longevity and efficiency of your liquid cooler.

  • Dust Cleaning: Periodically clean dust from the radiator fins and fan blades using compressed air. Excessive dust buildup can impede airflow and reduce cooling performance.
  • Inspect Tubing: Occasionally check the reinforced, sleeved tubing for any signs of wear, kinks, or leaks. While designed for durability, visual inspection is recommended.
  • Fan Inspection: Ensure fan blades are free from obstructions and rotate smoothly.
  • No Fluid Replacement: This is a closed-loop AIO cooler and does not require fluid replacement or refilling.

Troubleshooting

If you encounter issues with your liquid cooler, consider the following common troubleshooting steps:

  • High CPU Temperatures:
    • Ensure the water block is securely mounted and making good contact with the CPU.
    • Verify thermal paste application.
    • Check if the pump is running (you might feel a slight vibration or hear a faint hum). Ensure its power cable is properly connected.
    • Confirm radiator fans are spinning and oriented correctly. Adjust fan curves in BIOS/software for higher speeds if necessary.
    • Clean any dust buildup on the radiator.
  • Pump Noise:
    • A slight hum is normal. If you hear excessive gurgling or grinding, it might indicate air in the loop or a failing pump. Try gently tilting your PC case to help dislodge air bubbles.
    • Ensure the pump is receiving stable power.
  • ARGB Lighting Not Working:
    • Verify that the ARGB cables are correctly connected to a compatible header on your motherboard or controller.
    • Ensure the ASUS Aura Sync software is installed and updated.
    • Check motherboard BIOS settings for ARGB control.
  • Fan Not Spinning:
    • Check fan cable connections to the motherboard or fan hub.
    • Verify fan speed settings in BIOS/software; some fans may stop spinning at very low temperatures (0dB technology).

If issues persist, contact ASUS customer support for further assistance.

Specifications

FeatureSpecification
Model NumberROG STRIX LC III 360 ARGB
Product Dimensions40.39 x 21.08 x 13.97 cm
Item Weight2.36 kg
Cooling MethodFan, Water
Compatible DevicesDesktop CPUs (various sockets, check Quick Start Guide for specifics)
Noise Level36 dB (maximum)
Air Flow Capacity70.38 cubic feet per minute (CFM)
MaterialCopper (cold plate)
Power Connector Type4-Pin
Pump TypeAsetek Gen7 v2
LightingAddressable RGB (ARGB) with Aura Sync

Warranty and Support

The ASUS ROG Strix LC III 360 ARGB CPU Liquid Cooler comes with a comprehensive warranty to ensure your peace of mind.

  • Warranty Period: This product is backed by a 6-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
  • Technical Support: For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please visit the official ASUS support website or contact their customer service.

You can find more information and support resources on the Official ASUS Store Page.

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