Overview

  • Quiet, Efficient CPU Cooling
    Strong thermal performance keeps modern CPUs running smoothly, with low noise levels suited to everyday gaming, content creation, and workstations.
  • FlowDrive 2S Pump
    A quiet-running pump delivers dependable, high-performance cooling under sustained loads.
  • Optimized Cold Plate
    A thinner, lower-resistance cold plate improves heat transfer and contact pressure, optimized for AMD® and Intel® CPUs and supplied with pre-applied XTM60 thermal paste.
  • RS II ARGB Unified Frame Fans
    High static pressure RS II ARGB fans push airflow efficiently through the radiator, with a Unified Frame design that simplifies mounting and helps keep noise under control.
  • Vibrant ARGB Lighting
    Integrated ARGB lighting with 24 / 32 RGB LEDs delivers bold illumination across the pump and fans, with eight RGB LEDs on the pump cap and 16 / 24 on the unified fan assembly, adding visual impact without overwhelming your build.
  • RS II Unified Frame ARGB Fans
    Unified frame fan construction improves lighting uniformity while creating a cleaner, more cohesive look inside your system.
  • Simple ARGB Control
    Daisy-chainable +5V ARGB connections enable easy lighting control through your motherboard, with no additional controllers required.
  • Clean, Unified Design
    Streamlined fan mounting and reduced cabling help keep builds tidy for a more polished overall appearance.
  • Match Your Build
    Available in black or white to complement your components and create a cohesive system look.
  • iCUE Ready
    Pair with a CORSAIR iCUE controller such as the COMMANDER DUO (sold separately) for advanced fan and pump control through iCUE software.
  • Easy Installation
    Uses the standard AMD® and Intel® motherboard retention brackets for fast and secure mounting, avoiding complex custom backplates.
  • Easy Daisy-Chained Connectivity
    Standard 4-pin PWM fan and pump connections as well as +5V ARGB connections enable straightforward control through your motherboard, with no additional controllers required.
  • Clean Fan Cabling
    RS II ARGB Unified Frame fans streamline installation and reduce cable clutter for faster setup and a cleaner-looking system.
  • Quiet PWM Control
    PWM fan control allows for fine-tuned cooling behavior, with support for Zero RPM Mode at low loads for silent operation when cooling demand is low.
  • Wide CPU Compatibility
    Optimized out of the box for AMD® AM5 CPUs and supports AMD AM4 and Intel® LGA 1851/1700 CPUs.
  • Five-Year Warranty
    Backed by a five-year warranty for long-term reliability and peace of mind.

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Specifications

Capacity & configuration

Cooling Fan Type
CPU
Bearing Type
Magnetic Dome
Lighting Type
RGB

Dimensions & weight

Product Name
NAUTILUS II 240 RS ARGB Liquid CPU Cooler – Vibrant ARGB, FlowDrive 2S Pump, RS II ARGB Uni Frame Fans, 240mm Radiator
Product Height
27 millimeters
Product Width
120 millimeters
Product Length
277 millimeters
Product Weight
41.44 ounces

Features

Radiator Size
240mm, 360mm
Brand
CORSAIR
Color
Black
Airflow Volume
73 cubic feet per minute
Cooling System
Liquid
Fan Size
120 millimeters
Fan Speed
2100 revolutions per minute
Noise Level
36 decibels adjusted
Number of Fans Included
2
Customizable Lighting
Yes
Processor Socket
Socket AM5 (LGA 1718)
UPC
840440426448, 840440426462

Power & warranty

Model Number
CW-9061047-WW
Power Consumption
0.3 watts
Warranty - Parts
5 years
Warranty - Labor
5 Years

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

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Customer reviews

Write a review
WillOct 19, 2026 · Verified purchase ★★★★★

Corsair is the way to go - Corsair makes products that are well worth the price point. Keeps my i5-12600k ice cold under AAA loads for gaming. Definitely recommend!

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Questions & answers

Ask a question

Email [email protected] or call (888) 419-6820 during business hours.

Free U.S. shippingOn every order. Leaves our store in 1–2 business days, arrives in 3–5 business days.
Free returns for 30 daysNo restocking fee. We email you a prepaid return label.
We can install it tooOptional in-home delivery, installation and haul-away on large appliances.
Talk to our team(888) 419-6820 · Mon–Sat