ARCTIC Liquid Freezer III Pro 360 review

The Liquid Freezer III Pro 360 is a 360 mm all-in-one liquid cooler. It supports AMD AM5 and AM4 and Intel LGA1851 and LGA1700. Three 120 mm P12 Pro fans run from 600 to 3000 rpm, and the pump runs from 800 to 2800 rpm. A separate VRM fan covers 400 to 2500 rpm. The radiator measures 398 x 120 x 38 mm, the tubing is 450 mm and the whole unit weighs 2020 g. ARCTIC backs it with a six-year warranty.

The radiator length is the first thing to check against your case. At 398 mm, it needs a case that takes a 360 mm radiator.

Cooling is the strongest part of the case for this cooler. Club386 tested the A-RGB version and recorded 76.4 °C at 253 W and maximum RPM. The Freezer III 420 reached 79.2 °C and the Enermax Liqmax flo 360 reached 80.2 °C in the same test. At 153 W and maximum RPM it reached 54.1 °C, against 61.2 °C and 58.5 °C for those two coolers.

The lead holds when noise is controlled. Tech4Gamers reports it averaged 1.3 °C cooler than the Deepcool Mystique LE360 at a 40 dB(A) noise-normalised setting. Tom's Hardware says it ran nearly 15 °C cooler than air coolers in a 150 W CPU plus 290 W GPU test. A Slickdeals owner reports mid-40s to low-50s °C in games.

With a 360 mm radiator and fans that reach 3000 rpm, it has headroom for chips drawing the 253 W Club386 used.

Noise is the main complaint. TechPowerUp measured 62 dBA at maximum speed on the A-RGB model and says the radiator fans become excessively loud above 50% PWM. EnosTech measured 47 dB(A) with all fans at full speed on the White A-RGB model. The two figures differ, but both come from the full-speed setting.

Owner feedback adds the pump. One Slickdeals owner returned the unit because the pump was loud. Given TechPowerUp's 50% PWM note and the pump complaint, a custom fan curve looks necessary rather than optional. Tech4Gamers' result at 40 dB(A) suggests the cooling lead does not depend on running flat out.

The cooler includes a separate VRM fan, which runs from 400 to 2500 rpm. A Slickdeals owner raised VRM heat in an open case with no case airflow and reported about 85 °C. That points to a need for decent case airflow alongside the cooler, rather than relying on the VRM fan alone.

ARCTIC applies MX-6 thermal paste at the factory, so there is no paste to apply. That is where the good news on installation ends for Intel buyers. TechPowerUp notes the Intel mounting can be a hassle, that no installation manual was included, and that Intel socket support is limited. Owners also raise installation, especially on Intel, as a complaint. The sockets listed are LGA1851 and LGA1700, so check your board against that list before ordering.

This cooler suits someone with a demanding AM5 or AM4 or recent Intel chip who puts cooling first. The six-year warranty adds some reassurance on a part with a pump. Buyers should plan to tune the fan curve, give the case some airflow and allow extra time for the Intel mount. Those who rank low noise above lowest temperatures have reason to look at other options, given the loudness reports at higher fan speeds and the pump complaint.