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Asus ROG Ryujin III 240 Water Cooling AIO CPU With 2 Fans 120mm And ARGB Lighting
AIO CPU Liquid Cooling

Asus ROG Ryujin III 240 Water Cooling AIO CPU With 2 Fans 120mm And ARGB Lighting

Key features:

  • Fan speed: 2000 rpm
  • Noise levels Full Load: 29.7 dB
  • Fan dimension: 120 mm
  • Airflow: 71.6 CFM
  • ARGB lighting
See full description

  • Radiator Size

    Dual Fan

    240mm or 280mm radiator – ideal balance between performance and compatibility.

  • Fan Dimension

    The fan dimension (in millimeters) affects airflow, noise, and compatibility with the case.

  • Fan Speed

    The fan speed determines how fast it spins, affecting airflow and noise level.

    • Low (500-1000 RPM): Quiet operation, ideal for low-noise builds, but with less airflow.
    • Medium (1000-1800 RPM): Balanced performance between cooling and noise.
    • High (1800+ RPM): Maximum airflow, suitable for demanding conditions or overclocking, with increased noise.

  • Lighting

    ARGB

    Advanced RGB lighting with individual control of each LED for more dynamic effects.
  • See all
What if it breaks?

You have at least a 2-year warranty. Contact us by phone and we will immediately take care of the repair, replacement or refund of your money, completely free of charge.

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Product report

Description

Description

The Asus ROG Ryujin III 240 is aimed at users seeking high cooling performance for their computers, especially for the most demanding applications such as gaming and overclocking. Water cooling is an advanced cooling method that uses coolant (usually water) to remove heat from computer components, such as the processor (CPU) and graphics cards (GPU).

Magnetic Daisy-Chainable Fans

The customizable ARGB fans snap together with a magnetic connector that links the fans and transmits control and power signals. Only one cable is required for both fans, making installation and cable management a breeze.

3.5" Full Color LCD Display

The internal memory has also been doubled to support clearer preset animations and longer videos.

System Monitoring

The industry-leading 3.5-inch LCD screen embedded in the pump block provides real-time monitoring of clock frequencies, voltages, temperatures, fan speeds, and water flow or your custom GIFs.

Customized Animation

Select a pre-designed animation from the ROG gallery or easily add your own.

Custom Wallpaper

Do you prefer banners or logos? Choose one designed by ROG or place your own text or JPEG file on the proud display at the heart of your setup.

Explosive View

The Asetek 8th generation pump features a three-phase motor for increased flow and quieter operation, with a larger cooling plate of ideal size for the latest Intel and AMD processors.

New cold plate

The contact surface is now 32% larger to keep cool those energy-hungry processors.

Reinforced Tubing

The rubber with sleeve is wrapped in braided mesh and the inner diameter has been expanded from 5 millimeters to 7 millimeters to reduce flow resistance.

Thicker Radiator

Radiator 279.5 x 120 x 30 millimeters - 3 millimeters thicker than the previous generation, for improved cooling performance.

Integrated VRM Fan

A larger built-in Axial-tech fan improves airflow, reducing motherboard VRM temperatures by up to 35 degrees Celsius.

Fan Control

This generation of ROG all-in-one radiators now includes software that allows you to control the speeds of your pump and built-in fan, in a way that should be immediately recognizable to FanXpert veterans.

AIDA64 Extreme

The ROG Ryujin III ARGB also comes with a one-year subscription to AIDA 64 Extreme, whose data can be fed live to the cooler's LCD screen to receive even more information about the status of your system.

Extended Compatibility

The ROG Ryujin III series features 400mm tubing and is compatible with a wide range of Intel and AMD motherboard platforms, offering you great flexibility in processor and build.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Main Specifications

Socket
1150/1151/1155/1156, 1200, 1700, AM4, AM5
Radiator Size
Dual Fan

Radiator Size

Dual Fan
240mm or 280mm radiator – ideal balance between performance and compatibility.
Fan Dimension
120 mm

Fan Dimension

The fan dimension (in millimeters) affects airflow, noise, and compatibility with the case.
Colour
Black
Tube Length
400 mm

Tube Length

The Tubing Length (mm) indicates how long the tubes connecting the pump to the radiator of the liquid cooling system are, and it directly affects the ease of installation inside the case. A longer length offers more flexibility in radiator placement (e.g., in large cases or in different positions such as the top or front), while a shorter length results in a more “compact” setup but with limited placement options.
Radiator Material
Aluminum

Radiator Material

Aluminum
Aluminum radiators are lighter and more affordable, making them the usual choice for AIO liquid coolers, with good performance for everyday use and easy integration into most systems.
Lighting
ARGB

Lighting

ARGB
Advanced RGB lighting with individual control of each LED for more dynamic effects.
Pump Display
Yes

Pump Display

Built-in display on the pump for viewing temperatures and statistics. Allows full customization with your own designs or animated GIFs.

Technical Specifications

Fan Speed (max)
2000 rpm

Fan Speed (max)

The fan speed determines how fast it spins, affecting airflow and noise level.

  • Low (500-1000 RPM): Quiet operation, ideal for low-noise builds, but with less airflow.
  • Medium (1000-1800 RPM): Balanced performance between cooling and noise.
  • High (1800+ RPM): Maximum airflow, suitable for demanding conditions or overclocking, with increased noise.
Fan Noise Level (Full Load)
29.7 dB

Fan Noise Level (Full Load)

The Fan Noise Level (Full Load) indicates how much noise the liquid cooler’s fans produce when operating at maximum speed, that is, under full load. It is measured in dB(A), and the lower the value, the quieter the operation. This is an important feature for those who want a quiet system, especially in demanding uses such as gaming or rendering where the fans run at maximum.
Air Flow
71.6 cfm

Air Flow

Airflow (CFM) indicates the volume of air that the fan moves per minute (Cubic Feet per Minute) and directly affects the cooling performance of the radiator. The higher the value, the more air passes through the radiator, contributing to better heat dissipation, although it is usually accompanied by increased noise.
Air Pressure
3.88 mmH₂O: millimeters of water

Air Pressure

Air Pressure (mmAq) indicates the force with which the fan pushes air through obstacles such as the radiator and is measured in mm of water column. The higher the value, the better the fan can penetrate the dense fins of the radiator, making it more efficient for water cooling compared to regular case fans.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (2)

Reviews

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Questions

Questions

Do you have a question about the product?

6 users have this product and can help you

Ask for the product

Description & Specifications

The Asus ROG Ryujin III 240 is aimed at users seeking high cooling performance for their computers, especially for the most demanding applications such as gaming and overclocking. Water cooling is an advanced cooling method that uses coolant (usually water) to remove heat from computer components, such as the processor (CPU) and graphics cards (GPU).

Magnetic Daisy-Chainable Fans

The customizable ARGB fans snap together with a magnetic connector that links the fans and transmits control and power signals. Only one cable is required for both fans, making installation and cable management a breeze.

3.5" Full Color LCD Display

The internal memory has also been doubled to support clearer preset animations and longer videos.

System Monitoring

The industry-leading 3.5-inch LCD screen embedded in the pump block provides real-time monitoring of clock frequencies, voltages, temperatures, fan speeds, and water flow or your custom GIFs.

Customized Animation

Select a pre-designed animation from the ROG gallery or easily add your own.

Custom Wallpaper

Do you prefer banners or logos? Choose one designed by ROG or place your own text or JPEG file on the proud display at the heart of your setup.

Explosive View

The Asetek 8th generation pump features a three-phase motor for increased flow and quieter operation, with a larger cooling plate of ideal size for the latest Intel and AMD processors.

New cold plate

The contact surface is now 32% larger to keep cool those energy-hungry processors.

Reinforced Tubing

The rubber with sleeve is wrapped in braided mesh and the inner diameter has been expanded from 5 millimeters to 7 millimeters to reduce flow resistance.

Thicker Radiator

Radiator 279.5 x 120 x 30 millimeters - 3 millimeters thicker than the previous generation, for improved cooling performance.

Integrated VRM Fan

A larger built-in Axial-tech fan improves airflow, reducing motherboard VRM temperatures by up to 35 degrees Celsius.

Fan Control

This generation of ROG all-in-one radiators now includes software that allows you to control the speeds of your pump and built-in fan, in a way that should be immediately recognizable to FanXpert veterans.

AIDA64 Extreme

The ROG Ryujin III ARGB also comes with a one-year subscription to AIDA 64 Extreme, whose data can be fed live to the cooler's LCD screen to receive even more information about the status of your system.

Extended Compatibility

The ROG Ryujin III series features 400mm tubing and is compatible with a wide range of Intel and AMD motherboard platforms, offering you great flexibility in processor and build.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Main Specifications

Socket
1150/1151/1155/1156, 1200, 1700, AM4, AM5
Radiator Size
Dual Fan

Radiator Size

Dual Fan
240mm or 280mm radiator – ideal balance between performance and compatibility.
Fan Dimension
120 mm

Fan Dimension

The fan dimension (in millimeters) affects airflow, noise, and compatibility with the case.
Colour
Black
Tube Length
400 mm

Tube Length

The Tubing Length (mm) indicates how long the tubes connecting the pump to the radiator of the liquid cooling system are, and it directly affects the ease of installation inside the case. A longer length offers more flexibility in radiator placement (e.g., in large cases or in different positions such as the top or front), while a shorter length results in a more “compact” setup but with limited placement options.
Radiator Material
Aluminum

Radiator Material

Aluminum
Aluminum radiators are lighter and more affordable, making them the usual choice for AIO liquid coolers, with good performance for everyday use and easy integration into most systems.
Lighting
ARGB

Lighting

ARGB
Advanced RGB lighting with individual control of each LED for more dynamic effects.
Pump Display
Yes

Pump Display

Built-in display on the pump for viewing temperatures and statistics. Allows full customization with your own designs or animated GIFs.

Technical Specifications

Fan Speed (max)
2000 rpm

Fan Speed (max)

The fan speed determines how fast it spins, affecting airflow and noise level.

  • Low (500-1000 RPM): Quiet operation, ideal for low-noise builds, but with less airflow.
  • Medium (1000-1800 RPM): Balanced performance between cooling and noise.
  • High (1800+ RPM): Maximum airflow, suitable for demanding conditions or overclocking, with increased noise.
Fan Noise Level (Full Load)
29.7 dB

Fan Noise Level (Full Load)

The Fan Noise Level (Full Load) indicates how much noise the liquid cooler’s fans produce when operating at maximum speed, that is, under full load. It is measured in dB(A), and the lower the value, the quieter the operation. This is an important feature for those who want a quiet system, especially in demanding uses such as gaming or rendering where the fans run at maximum.
Air Flow
71.6 cfm

Air Flow

Airflow (CFM) indicates the volume of air that the fan moves per minute (Cubic Feet per Minute) and directly affects the cooling performance of the radiator. The higher the value, the more air passes through the radiator, contributing to better heat dissipation, although it is usually accompanied by increased noise.
Air Pressure
3.88 mmH₂O: millimeters of water

Air Pressure

Air Pressure (mmAq) indicates the force with which the fan pushes air through obstacles such as the radiator and is measured in mm of water column. The higher the value, the better the fan can penetrate the dense fins of the radiator, making it more efficient for water cooling compared to regular case fans.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (2)

4.0
2
4.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 1
  4. 2 stars
    0
  5. 1 star
    0
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