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Black 240 mm radiator with two 120 mm fans and sleeved tubes

Corsair

Corsair Nautilus 240 RS CW-9060088-WW liquid cooler

SKU CH-KWSX-N96Y8 MPN CW-9060088-WW

A 240 mm all-in-one liquid cooler with two 120 mm Magnetic Dome fans, a 276 mm aluminium radiator and a low-noise pump rated at 20 dBA.

  • TypeAIO
  • Block CompatibilityIntel® LGA 1851/1700, AMD® AM5/AM4
  • Block Compatibility - AMDAMD® AM5/AM4
  • Block Compatibility - IntelIntel® LGA 1851/1700
  • Radiator Size276 mm
  • Radiator MaterialAluminum
  • Quiet operation from a pump rated at 20 dBA
  • Strong airflow up to 72.8 CFM with RS120 fans
  • Broad socket support including Intel LGA 1851 and AMD AM5
  • Faster setup with pre-applied thermal paste on a convex cold plate
  • Durable 400 mm low-permeation rubber tubes reduce coolant loss

Simple high-performance AIO cooling

The Corsair Nautilus 240 RS is an all-in-one liquid CPU cooler with a 276 mm aluminum radiator and two 120 mm RS120 fans. It mounts on Intel LGA 1851 and 1700 sockets as well as AMD AM5 and AM4 platforms. A convex cold plate with pre-applied paste and a low-noise pump rated at 20 dBA complete the package.

Suited for standard desktop CPUs.

Builders fitting mainstream or enthusiast processors on the listed sockets will find installation straightforward thanks to the daisy-chain fan wiring and direct motherboard connection. Systems targeting sustained all-core loads well beyond stock limits should look at larger radiators or custom loops instead.

276 mm radiator length decides case fit

The radiator measures 276 mm long, so the chassis must accept a 240 mm class radiator with 120 mm fan mounts. Tube length is 400 mm, giving routing flexibility in most mid-tower and larger cases. Verify clearance before purchase.

Highlights

  • Quiet operation from a pump rated at 20 dBA
  • Strong airflow up to 72.8 CFM with RS120 fans
  • Broad socket support including Intel LGA 1851 and AMD AM5
  • Faster setup with pre-applied thermal paste on a convex cold plate
  • Durable 400 mm low-permeation rubber tubes reduce coolant loss

Specifications

BrandCORSAIR
SeriesNautilus Series
TypeAIO
Block CompatibilityIntel® LGA 1851/1700, AMD®
AM5/AM4
Block Compatibility - AMDAMD® AM5/AM4
Block Compatibility - IntelIntel® LGA 1851/1700
Radiator Size276 mm
Radiator MaterialAluminum
Fan Size2 Fan Slots (120 mm)
Fan Dim.120mm x 25mm
Bearing TypeMagnetic Dome
Fan RPM0 – 2,100 RPM ±10%
Fan Air Flow13.3 – 72.8 CFM
Fan Noise10 - 36 dBA
Fan Connector4 Pin
ColorBlack
Pressure0.20 – 4.15 mm-H2O
Tube Dim.400mm
Tube MaterialBlack Sleeved Low-Permeation Rubber
Package ContentsCORSAIR NAUTILUS 240 RS
2x RS120 fans
Mounting Kit for All Modern CPU Sockets
Fan and Radiator Mounting Screws
Warranty & Safety Leaflet
Shipping weight1.93 kg
Package size318 × 216 × 130 mm

Questions about this item

How can I confirm the pump is running at its rated 20 dBA after installation?

Listen for a faint hum at idle; the pump should be nearly inaudible at 20 dBA, and the RS120 fans will spin between 0 and 2,100 RPM depending on CPU load, so silence at low load is normal.

Which mounting hardware is included for Intel LGA 1700 and AMD AM5 sockets?

The box contains the Nautilus 240 RS unit, two RS120 120 mm fans, a universal mounting kit that covers Intel LGA 1851/1700 and AMD AM5/AM4, plus all fan and radiator screws and a warranty leaflet.

Should I choose the 240 mm radiator version or a larger size for an Intel LGA 1851 build?

This model is the 240 mm variant with a 276 mm radiator and 400 mm tubes; no other radiator sizes are offered for this Nautilus 240 RS SKU, so it is the only version to select.

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