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Rectangular 360 mm aluminium radiator with three 120 mm ARGB fans and a square CPU block featuring a 3.5 inch colour LCD screen

ASUS

ASUS ROG RYUJIN II 360 ARGB liquid cooler 3.5" LCD

SKU CH-18AN-NECSJ

A 360 mm all-in-one liquid CPU cooler with a 3.5 inch colour LCD for live stats and custom animations, three 120 mm ARGB fans and a seventh-generation Asetek pump

  • Radiator size394 × 121 × 27 mm
  • Compatible socketsIntel LGA 20xx / 1700 / 1200 / 115x AMD Socket sTRX4 / TR4*
  • Block dimensions78.15 × 87.5 × 81 mm
  • Cooling block materialCopper
  • Radiator materialAluminum
  • Fan dimensions120 × 120 × 25 mm
  • Real-time stats on 3.5" colour LCD via LiveDash software
  • Seventh-gen Asetek pump starts at 840 rpm for strong cooling
  • Three 120 mm ARGB fans move 70.07 CFM at 36.45 dB(A)
  • Fits Intel LGA 1700, 1200, 115x and AMD AM4, TR4, sTRX4
  • 360 mm aluminium radiator with 380 mm sleeved rubber tubes

ASUS ROG RYUJIN II 360 ARGB Liquid Cooler

This all-in-one liquid cooler uses a 360 mm aluminium radiator and three 120 mm ARGB fans. A seventh-generation Asetek pump operates from 840 rpm for quiet coolant circulation. The copper cold plate covers mainstream Intel and AMD sockets including LGA 1700, LGA 1200, AM4 and sTRX4. A 3.5 inch colour LCD on the pump head shows live system data or custom animations via LiveDash software.

Suitability: High-Output CPUs and Custom Monitoring

Builders pushing high thermal loads on supported mainstream or HEDT platforms benefit from the 70.07 CFM airflow and 36.45 dB(A) acoustic ceiling. The addressable RGB lighting integrates with Armoury Crate for unified effects. Systems using sockets outside the listed Intel LGA 20xx/1700/1200/115x or AMD sTRX4/TR4/AM4 ranges cannot mount this block. Buyers who need a smaller radiator for compact chassis should consider other form factors.

Deciding Specification: 3.5 Inch LCD Pump Display

The integrated 3.5 inch colour screen is the feature that distinguishes this model from standard AIOs. It accepts real-time hardware stats, animated GIFs or custom images through the LiveDash utility. If visual monitoring or aesthetic customisation is not required, a cooler without the display offers equivalent thermal hardware at lower complexity. The 380 mm sleeved rubber tubes determine maximum component spacing inside the case.

How it compares

Measured against everything we stock in Liquid Cooling & AIO Coolers, at today’s prices. Recalculated every night.

Price $316.99
Pricier than about 93% of the 1,190 comparable items (median $71.99).

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Specifications

Product
Brand nameASUS
Model nameROG RYUJIN II 360 ARGB
Product typeLiquid Cooling System
Performance
Fan speed600-2,200 RPM +/- 10%
Fan airflow70.07 CFM
Size & build
Radiator size394 × 121 × 27 mm
Block dimensions78.15 × 87.5 × 81 mm
Cooling block materialCopper
Radiator materialAluminum
Fan dimensions120 × 120 × 25 mm
Tube size380 mm
Tubing materialSleeved Rubber tube
Compatibility
Compatible socketsIntel LGA 20xx / 1700 / 1200 / 115x
AMD Socket sTRX4 / TR4* / AM4
* The mounting bracket is bundled with TR4/sTRX4 CPU Package.
Environment & compliance
Fan noise level36.45 dB(A)
More details
LED lightingARGB

Questions about this item

What fan connector standard does the cooler use, and what is the maximum PWM speed?

The three included 120 mm fans connect via 4-pin PWM and run up to 2200 RPM ±10%.

What are the radiator dimensions and fan thickness, and which way do the tubes exit?

Radiator measures 394 × 121 × 27 mm; fans are 25 mm thick. Tubes exit from the side of the block.

How is the LCD display configured, and what step is often missed during software setup?

The 3.5" colour LCD is driven by ASUS LiveDash software; users often forget to install the Armoury Crate plug-in before LiveDash will detect the screen.

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