ASUS ROG RYUJIN III 240 240MM COOLER
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About This Item
- 240 mm AIO liquid cooler for Intel and AMD processors
- 3.5-inch LCD display for system stats and custom artwork
- Three ARGB fans with magnetic daisy-chain connectors
- Copper cold plate with 32% larger contact surface
- Enhanced tubing with 7 mm inner diameter for improved flow
- Embedded VRM fan reduces motherboard temperatures by up to 35°C
- 400 mm tubing length for flexible installation
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ASUS ROG Ryujin III 240 | 3.5″ LCD ARGB AIO Cooler
The ASUS ROG Ryujin III 240 ARGB Processor All-in-one liquid cooler delivers premium thermal performance for high-end gaming rigs. This 240 mm AIO cooler combines a 3.5-inch LCD display, magnetic ARGB fans, and an 8th Gen Asetek pump to keep Intel and AMD processors running at optimal temperatures while adding striking visual customisation.
Slim Specs Table
| Metric | Spec |
|---|---|
| Radiator Size | 240 mm |
| Fan Count | 2 x 120 mm ARGB |
| Display | 3.5″ LCD |
| Socket Support | LGA 1150/1151/1155/1156/1200/1700, AM4, AM5 |
| Warranty | 6 years |
3.5″ LCD Display with Custom Animation
The expansive 3.5-inch LCD screen built into the pump block offers real-time system monitoring of clock frequencies, voltages, temperatures, and fan speeds. Users can display custom GIFs, upload personal artwork, or choose from ROG’s pre-designed animations. The doubled internal memory supports clearer animations and longer video playback for personalised system aesthetics.
Magnetic ARGB Fan System
Three ROG 120 mm ARGB fans feature magnetic connectors that snap together, transmitting both power and control signals through a single cable. This daisy-chainable design simplifies installation and dramatically improves cable management. The fans utilise magnetic levitation bearings for reduced noise and enhanced longevity.
Enhanced Cooling Performance
The 8th Gen Asetek pump features a 3-phase motor delivering higher flow rates with quieter operation. A 32% larger cold plate maximises contact area with modern processors, while the 279.5 x 120 x 30 mm radiator provides 3 mm of additional thickness compared to previous generations. Enhanced 7 mm inner diameter tubing reduces flow resistance for improved thermal efficiency.
Embedded VRM Cooling Fan
An integrated Axial-tech fan sits within the pump block, directing airflow across motherboard VRM components. This dedicated cooling solution reduces VRM temperatures by up to 35°C, ensuring stable power delivery during intense gaming sessions or heavy workloads. The fan operates in conjunction with the main radiator fans for comprehensive system cooling.
Box contents
- ASUS ROG Ryujin III 240 ARGB cooler (pump, radiator, fans)
- Mounting hardware for Intel and AMD sockets
- Thermal paste
- Screws and installation brackets
- Quick start guide
- 6-year manufacturer warranty documentation
Check before you buy
- Confirm your processor socket compatibility (LGA 1150/1151/1155/1156/1200/1700, AM4, AM5)
- Verify your case has adequate space for a 240 mm radiator (240 x 120 x 30 mm)
- Check clearance around the CPU socket for the 3.5″ LCD pump block
- Ensure your motherboard supports ARGB lighting for full fan control
Frequently Asked Questions
Q: Can I install this cooler in a small form factor case?
A: The 240 mm radiator requires a case that supports 240 mm AIO coolers. Check your case specifications before purchasing.
Q: Does the LCD display show system information only, or can I upload custom content?
A: You can upload custom GIFs, images, or text, or choose from ROG’s pre-designed animations and system monitoring displays.
Q: Is the software for fan control included?
A: Yes, the cooler includes software for controlling pump and fan speeds, similar to ASUS FanXpert.
Q: What processors are supported?
A: Compatible with Intel LGA 1150/1151/1155/1156/1200/1700 and AMD AM4/AM5 sockets.
Q: How noisy is this cooler at maximum performance?
A: The maximum fan noise level is 36.45 dB, which is relatively quiet for high-performance cooling.
The Consultant’s verdict & warranty
The ASUS ROG Ryujin III 240 ARGB represents premium AIO cooling with exceptional build quality, comprehensive software control, and striking visual customisation through its 3.5-inch LCD display. The magnetic fan system, enhanced cooling performance, and VRM temperature reduction make it ideal for enthusiasts building high-end gaming or content creation systems. Covered by the standard Manufacturer Warranty.
| Performance | |
|---|---|
| Suitable location | Processor |
| Pulse-width modulation (PWM) support | Yes |
| Number of heat pipes | 2 |
| Type | All-in-one liquid cooler |
| Fan diameter | 12 cm |
| Supported processor sockets | LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5 |
| Minimum airflow (imperial) | 21.08 cfm |
| Maximum airflow | 70.07 cfm |
| Number of fans | 2 fan(s) |
| Quantity per pack | 1 pc(s) |
| Number of fan blades | 9 |
| Fan noise level (max) | 36.45 dB |
| Pump motor speed (min) | 800 RPM |
| Pump motor speed (max) | 3600 RPM |
| Fan static pressure | 3.88 mmH2O |
| Fan speed (min) | 600 RPM |
| Fan speed (max) | 2200 RPM |
| Design | |
| Number of heat pipes | 2 |
| Number of fans | 2 fan(s) |
| Illumination colour | Multi |
| Product colour | Black |
| Illumination LED | Yes |
| Number of fan blades | 9 |
| Radiator material | Aluminum |
| Base plate material | Copper |
| Water block material | Copper |
| Display type | LCD |
| Technical details | |
| Number of heat pipes | 2 |
| Type | All-in-one liquid cooler |
| Fan diameter | 12 cm |
| Supported processor sockets | LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5 |
| Minimum airflow (imperial) | 21.08 cfm |
| Maximum airflow | 70.07 cfm |
| Number of fans | 2 fan(s) |
| Illumination LED | Yes |
| Warranty period | 6 year(s) |
| Colour | |
| Product colour | Black |
| Weight & dimensions | |
| Fan dimensions (W x D x H) | 120 x 120 x 25 mm |
| Package depth | 241 mm |
| Package width | 307 mm |
| Package height | 135 mm |
| Package weight | 2.66 kg |
| Weight | 1.5 kg |
| Fan 2 dimensions (W x D x H) | 120 x 120 x 25 mm |
| Radiator width | 27.9 cm |
| Radiator depth | 12 cm |
| Radiator height | 3 cm |
| Tube length | 40 cm |
| Waterblock width | 8.9 cm |
| Waterblock depth | 9.1 cm |
| Waterblock height | 10.1 cm |
| Packaging data | |
| Package depth | 241 mm |
| Package width | 307 mm |
| Package height | 135 mm |
| Package weight | 2.66 kg |
| Indication | |
| Illumination colour | Multi |
| Packaging content | |
| Screws included | Yes |
| Mounting kit | Yes |
| Installation instruction | Yes |
| Identifiers | |
| Distributor SKUs | W128563594, 474512, STD10230363, CL90RC00K1-M0UAY0 |
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