Description

Key Specifications of ASUS ROG Ryujin II 240 ARGB — Liquid CPU Cooler

• Pump: 7th Gen Asetek pump, motor speed 840–2,800 ±300 RPM, 12V DC 0.3A
• Water Block Dimensions: 78.15 x 87.5 x 81mm (Copper CPU plate)
• Embedded Pump Fan: 60mm fan built into pump housing — cools VRM/M.2 area directly — speed 4,800 ±10% RPM, 19.41 CFM airflow
• Display: 3.5″ Full Color LCD — the largest LCD on any AIO cooler in the industry
• Radiator Dimensions: 121 x 272 x 27mm, aluminum construction
• Tubing: Sleeved rubber tube, 380mm length
• Radiator Fans: 2x ROG Fan Model 12 ARGB (120mm), 600–2,200 ±10% RPM, 70.07 CFM airflow, 3.88 mmH2O static pressure, 36.45 dB(A) noise, PWM/DC control
• Socket Compatibility: AMD AM5, AM4; Intel LGA 1851, 1700, 1200, 115x (also compatible with sTR4/sTRX4 Threadripper platforms via bundled bracket)

In the Box

• 1x CPU Liquid Cooler (pre-applied thermal compound)
• 2x 120mm Radiator Fans
• 1x ARGB Input Cable
• 1x 1-to-2 Fan Splitter Cable
• 1x 1-to-4 ARGB Splitter Cable
• 1x ROG Sticker
• 1x ROG Fan Controller (3M mounting tape)
• 1x Quick Start Guide
• 1x Accessory Pack (screws and brackets)

Key Features

• Industry-Largest AIO LCD: 3.5″ full-color display for real-time system stats, custom logos, or animated GIFs — fully tunable via Armoury Crate
• Embedded VRM/M.2 Cooling Fan: Solves a common AIO limitation by actively cooling the CPU socket surroundings, not just the CPU itself
• Dedicated Fan Controller: 4x PWM fan headers and 4x ARGB headers to expand lighting and cooling across your whole build
• Aura Sync Compatible: Full RGB ecosystem integration with other ASUS Aura Sync components
• Premium Build Quality: Sleeved, reinforced tubing for long-term durability

Ideal For

Enthusiast PC builders and gamers running ROG-branded systems who want the strongest 240mm AIO cooling option available, paired with the most advanced customizable LCD display and RGB ecosystem integration in ASUS’s cooling lineup.