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ARCTIC Liquid Freezer III Pro 240 vs Corsair NAUTILUS 360 RS

Researched, not hands-on tested.How we review ›

all judged against CPU coolers at a similar price

The ARCTIC Liquid Freezer III Pro 240 scores 8.1/10 overall, ahead of the Corsair NAUTILUS 360 RS at 6.5/10.

The ARCTIC Liquid Freezer III Pro 240 leads on cooling, noise, compatibility and fit, value and build and installation.

ARCTIC Liquid Freezer III Pro 240

ARCTIC Liquid Freezer III Pro 240

8.1/10verdict: buy

The ARCTIC Liquid Freezer III Pro 240 is for builders who want strong cooling from a 240 mm all-in-one liquid cooler. It suits Intel LGA1851 and LGA1700 systems as well as AMD AM5 and AM4 builds. It is best for people who have checked their case can take a 38 mm thick radiator.

Typically about £59.99 in the UK when we researched itSearch Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Corsair NAUTILUS 360 RS

Corsair NAUTILUS 360 RS

6.5/10verdict: good, not the best

The Nautilus 360 RS is for buyers with a case that takes a 360mm radiator and a CPU that runs hot under load. It suits Intel LGA 1851 and LGA 1700 or AMD AM5 and AM4 builds that want a ready-to-fit AIO with paste already applied. It is less suited to compact or poorly ventilated cases.

Typically about £100.99 in the UK when we researched itSearch Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightARCTIC Liquid Freezer III Pro 240Corsair NAUTILUS 360 RS
Cooling35%9/107/10
Noise25%7/106/10
Compatibility and fit15%7/106/10
Value15%9/107/10
Build and installation10%8/106/10
Overall8.1/106.5/10

Specifications

SpecARCTIC Liquid Freezer III Pro 240Corsair NAUTILUS 360 RS
Type (tower air cooler, low-profile air, or AIO liquid with radiator size)AIO liquid, 240 mm radiatorAIO liquid cooler with 360mm radiator
Supported sockets (e.g. AM5, AM4, LGA1851, LGA1700)Intel LGA1851 and LGA1700; AMD AM5 and AM4Intel LGA 1851, LGA 1700; AMD AM5, AM4
Height in mm (air coolers) or radiator size in mm (AIO)Radiator 277 × 120 × 38 mm (L × W × H)Radiator 360mm; 396 × 120 × 27mm (length unconfirmed, Corsair comparison page gives 394 × 120 × 27mm)
Fans included and their size2 × P12 Pro, 120 mm, 600–3000 rpm, 77 cfm, 6.9 mmH2O, fluid dynamic bearing, 4-pin PWM; pump 800–2800 rpm; VRM fan 400–2500 rpmThree RS120 fans, 120 × 25mm, 420–2100 RPM ±10%, PWM
Noise level (dBA)not listedFans 10–36 dBA; pump 20 dBA
Warranty (years)6 years5 years

Strengths and weaknesses

ARCTIC Liquid Freezer III Pro 240

  • + Tom's Hardware calls it the strongest AIO it has tested
  • + Noise-normalised result ties for the best the reviewer has seen
  • + Pre-applied MX-6 paste, pre-installed fans and a 6-year warranty
  • − Pump can be louder than some users prefer at full speed
  • − 38 mm radiator means checking case clearance first
  • − Some owners find noise only good, not exceptional

Skip it if:

  • Buyers whose case may not have room for a 38 mm thick radiator.
  • Anyone who wants a completely silent PC sitting close to their desk.
  • People who prefer an air cooler over any liquid-cooled setup.
Read the full ARCTIC Liquid Freezer III Pro 240 review ›

Corsair NAUTILUS 360 RS

  • + Reported peak of 81°C on an i9-14900K
  • + Quiet at idle and light load, owners say
  • + Five-year warranty and pre-applied XTM60 paste
  • − Installation can be difficult in compact cases
  • − Fan noise rises under sustained heavy load
  • − Higher temperatures reported in small or poorly ventilated cases

Skip it if:

  • Builders with compact cases that struggle to take a 360mm radiator
  • People who need near-silent running during long, sustained heavy loads
  • Owners of small or poorly ventilated cases
Read the full Corsair NAUTILUS 360 RS review ›

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