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White AIO liquid cooler with 240 mm radiator, two 120 mm ARGB fans, square CPU block with LED matrix display, sleeved tubing

ASUS

ASUS ROG RYUO III 240 ARGB WHT liquid cooler

SKU CH-91KB-XV489 MPN ROG RYUO III 240 ARGB WHT

A 240 mm all-in-one liquid CPU cooler with a copper cold plate, two 120 mm ARGB fans and a customisable mini-LED display

  • Radiator size279.5 × 120 × 30 mm
  • Fan size2 Fan Slots (120 mm)
  • Compatible socketsAMD: AM4, AM5 TR4 Intel: LGA 1700, 1200, 115x,1366, 2011, 20
  • AMD socket supportAMD: AM4, AM5 TR4
  • Intel socket supportIntel: LGA 1700, 1200, 115x,1366, 2011, 2011-3, 2066
  • Block dimensions89 × 89 × 68.3 mm

Fan Size 2 Fan Slots (120mm)

Color White

Model ROG RYUO III 240 ARGB

  • Anime Matrix mini-LED array shows system stats and custom animations
  • Asetek 8th gen pump with three-phase motor raises flow and cuts impedance
  • Two 120 mm ARGB fans push 70.07 CFM at 36.45 dB(A)
  • 240 mm aluminium radiator with copper cold plate fits AM4, AM5, LGA 1700 and more
  • White vacuum-coated finish and sleeved rubber tubes complete a clean build

What this cooler is

The ASUS ROG RYUO III 240 ARGB WHT is a new all-in-one liquid CPU cooler with a 240 mm aluminium radiator, an Asetek 8th generation pump and two 120 mm ARGB fans. It is built for enthusiasts who want strong thermal performance plus a programmable Anime Matrix™ LED display on the pump head.

Who it suits and who it does not

The white finish and addressable lighting suit builders creating a bright, themed system. The included mounting hardware covers current AMD AM4, AM5 and TR4 sockets as well as Intel LGA 1700, 1200, 115x, 1366, 2011, 2011-3 and 2066 platforms. Buyers whose case cannot accommodate a 279.5 mm long radiator or who need support for sockets not listed here should consider other solutions.

Deciding specification

The radiator measures 279.5 x 120 x 30 mm, so the critical check is whether the chassis provides a 240 mm mounting location with enough clearance for the 30 mm thickness and the 25 mm thick fans. If the case only accepts a thinner radiator or a different length, this cooler will not fit.

How it compares

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

Price $102.99
Pricier than about 65% of the 1,190 comparable items (median $71.99).

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Specifications

Product
Brand nameASUS
Product lineROG RYUO III 240 ARGB WHT
Model nameROG RYUO III 240 ARGB WHT
Part number90RC00J2-M0AAY0
Product typeLiquid Cooling System
Product colorWhite
Performance
Fan speed2200 +- 300 RPM
Fan airflow70.07 CFM
Ports & slots
Fan plug type4 Pin
Size & build
Radiator size279.5 × 120 × 30 mm
Fan size2 Fan Slots (120 mm)
Block dimensions89 × 89 × 68.3 mm
Cooling block materialCopper
Radiator materialAluminum
Fan dimensions120 × 120 × 25 mm
Tubing materialSleeved rubber tube
Shipping weight2.40 kg
Package size305 × 241 × 132 mm
Compatibility
Compatible socketsAMD: AM4, AM5 TR4
Intel: LGA 1700, 1200, 115x,1366, 2011, 2011-3, 2066
AMD socket supportAMD: AM4, AM5 TR4
Intel socket supportIntel: LGA 1700, 1200, 115x,1366, 2011, 2011-3, 2066
Environment & compliance
Fan noise level36.45 dB(A)
More details
LED lightingARGB

Other versions of this model

3 more in the same range

Questions about this item

How do I mount the 279.5 x 120 x 30 mm radiator and avoid the common tube-routing mistake?

Install the radiator with tubes at the bottom or side so air cannot collect in the pump block; keep the sleeved rubber tubes free of sharp bends and do not stretch them across the motherboard VRM heatsinks.

Which part of the ROG RYUO III 240 ARGB WHT will need replacement first and when?

The two 120 mm ROG AF 12S ARGB fans rated at 2200 ± 300 RPM and 36.45 dB(A) are the only moving wear items; expect to swap them after several years of continuous operation.

What thermal limit appears first during a long, heavy CPU load?

The 240 mm aluminum radiator with 30 mm thickness and 70.07 CFM total airflow sets the ceiling; once coolant temperature stabilises, the block copper cold plate cannot dump heat faster than the radiator dissipates it.

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