- Acoustically tuned FlowDrive 2S pump dampens motor resonance during sustained loads
- Dual RS II ARGB fans utilize low-friction Magnetic Dome bearings for extended operational lifespan
- Precision-machined copper cold plate with pre-applied XTM60 thermal compound
- Broad socket retention system covers Intel LGA 1851 and AMD AM5 out of the box
- Standard 1.02 in (26 mm) aluminum radiator core offers less thermal surface area than thicker 280 mm or 360 mm alternatives
- Factory-sealed closed loop precludes coolant servicing, flushing, or modular expansion
Overview
Engineered around a low-profile 1.02 in (26 mm) aluminum heat exchanger and a FlowDrive 2S pump, this closed-loop thermal assembly prioritizes fluid velocity and acoustic suppression across modern multi-core platforms. The central cooling engine couples a micro-channel copper cold plate directly to high-heat-density integrated heat spreaders, utilizing factory-applied XTM60 thermal compound to ensure uniform interfacial contact and minimize thermal resistance without requiring manual paste application. By matching the impeller profile to internal hydrodynamic resistance, the pump assembly curbs mechanical buzzing and cavitation hum during continuous system operation.
Heat dissipation occurs across an aluminum fin stack served by dual 4.72 in (120 mm) RS II ARGB fans. These fans leverage Magnetic Dome bearings, which stabilize the rotor assembly on a magnetic field to minimize mechanical contact friction. This arrangement curbs bearing rattle across fluctuating PWM duty cycles while extending operational life through reduced rotational wear. Integrated addressable RGB illumination provides visual customizability across each fan hub without compromising blade curvature or static pressure delivery across the radiator core.
Physical integration is streamlined through broad socket retention hardware that accommodates AMD AM4 and AM5 alongside Intel LGA 1700 and LGA 1851 platforms straight from the box. Flexible reinforced tubing and sealed barb junctions resist kinking within space-constrained mid-tower chassis, maintaining steady volumetric fluid circulation over long deployment cycles. For modern desktop configurations requiring consistent thermal management without the maintenance overhead of open-loop liquid systems, the hardware delivers dependable, turn-key cooling operation.
Technical Specifications
| Brand | Corsair |
| Model | Nautilus II 240 RS ARGB |
| Cooler Type | Liquid CPU Cooler (Closed-Loop AIO) |
| Radiator Dimensions | 9.45 x 4.72 x 1.02 in (240 x 120 x 26 mm) |
| Radiator Size Class | 240 mm |
| Radiator Material | Aluminum |
| Cold Plate Material | Copper |
| Thermal Interface Material | Pre-applied Corsair XTM60 |
| Pump Architecture | FlowDrive 2S |
| Fan Quantity | 2 |
| Fan Dimensions | 4.72 x 4.72 x 0.98 in (120 x 120 x 25 mm) |
| Fan Model | RS II ARGB |
| Fan Bearing Type | Magnetic Dome |
| Lighting | Addressable RGB (ARGB) |
| Socket Compatibility | AMD AM4, AMD AM5, Intel LGA 1700, Intel LGA 1851 |
Recommended Alternatives in CPU Coolers (AIO & Air)
At a Glance
How reliable is the Corsair Nautilus II 240 RS ARGB Review: Acoustically Tuned Closed-Loop Cooling according to Mizex audits?
A dependable closed-loop cooler offering refined acoustic suppression and immediate compatibility with latest-generation Intel LGA 1851 and AMD AM5 platforms.
What are the known quirks or drawbacks of the Corsair Nautilus II 240 RS ARGB Review: Acoustically Tuned Closed-Loop Cooling?
Our reliability audit identified the following documented caveats:
- Standard 1.02 in (26 mm) aluminum radiator core offers less thermal surface area than thicker 280 mm or 360 mm alternatives
- Factory-sealed closed loop precludes coolant servicing, flushing, or modular expansion
What are the key engineering highlights of the Corsair Nautilus II 240 RS ARGB Review: Acoustically Tuned Closed-Loop Cooling?
The top strengths recorded in our evaluation include:
- Acoustically tuned FlowDrive 2S pump dampens motor resonance during sustained loads
- Dual RS II ARGB fans utilize low-friction Magnetic Dome bearings for extended operational lifespan
- Precision-machined copper cold plate with pre-applied XTM60 thermal compound
- Broad socket retention system covers Intel LGA 1851 and AMD AM5 out of the box