Methodology
An AMD Ryzen 9 3950X has to be cooled at various power consumption levels, along with 16GB Crucial Ballistix Sport (2x8GB) DDR4 RAM on an MSI B550 Tomahawk (BIOS 7C91vAB). The Asus ROG Strix GTX 1060 6GB runs for the CPU stress tests only for the image output in zero-fan mode and a Fractal Design Ion Gold 750W serves as the power source. The whole thing is located in the Thermaltake Core P3 as an open benchtable.
The test system runs on Windows 10 Pro 22H2 (Build 19045.2251). All data sets are recorded with HWInfo64 v7.34-4930 – 5000ms logging, the specified temperature results from the CPU Die (Average) sensor. Since I don’t have air conditioning, the values in the graphs are the delta between room temperature and CPU temperature. This means that all cooling systems can be compared fairly, even if the ambient temperature is different. The heat-conducting paste supplied with the cooler or applied beforehand is used in each case.
I determine the sound level with a Voltcraft SL-200 measuring device at a distance of 40 cm, which works in 125 ms cycles in Lo mode. The room was measured at 33.2 dB(A), an external example table helps to break it down.
Benchmarks
In the first test run, a loudness of 40 dB(A) was set at 40cm from the center of the pump and fan on the radiator, in my setup this is 93% PWM for the 240mm version and 89% PWM for the 360mm version for the radiator fans and 100% PWM for the pump in each case:
And then this cooler is allowed to show what it can achieve in terms of cooling performance at maximum speed, regardless of the volume. A maximum of 41.1 dB(A) was measured for the 240mm version and 43.2 dB(A) for the 360mm at 100% PWM and a distance of 40cm.
A complete comparison with other coolers can be found here:
Roundup and re-measurement of all tested CPU air and water coolers
Summary and conclusion
In short, the Liquid Freezer II delivers fantastic results for the price. The 360mm version is right up there with the best and the 240mm version can even hold its own against 360mm models from other manufacturers. The thicker radiator enables – unsurprisingly – better heat dissipation.
But unfortunately not everything is perfect here either, starting with this sentence from Geizhals.de:
“According to the manufacturer’s mailing, a defect may occur in the sealing material at the transition to the copper cold plate in products of the “Liquid Freezer II” series. This can lead to deposits and, in the long term, to a reduction in cooling performance and a loss of coolant. To solve the problem, Arctic Cooling offers a service kit under this link to rectify the defect.”
However, this problem no longer occurs with current batches or if you simply select the “V2” version from Geizhals. In addition, there is another complaint, which we also addressed in our dedicated test report on the fans installed here:
Unpleasant noise and humming as a case fans: Arctic P12 vs. P14 in detail test
I also experienced this oscillating hum, but only with the 360mm model and in a range between 97 – 100% PWM. Really annoying, but I’m also a bit sensitive to such noises. If the operation wasn’t just for my tests, I would simply adjust the fan curve accordingly
In most cases, I consider the small VRM fan to be more of a gimmick than a useful feature; on my motherboard with appropriately dimensioned passive coolers, I couldn’t detect any significant difference in the voltage converter temperature even at 200 watts. Apart from that, I would just like to mention the somewhat rigid hoses and emphasize the 6-year warranty. Otherwise, I think the performance and price speak for themselves and explain the great success of this cooler series.
The test sample was provided by Arctic without obligation. There was and is no influence on the tests and results. There was also no compensation for expenses and no obligation to publish.
Arctic Liquid Freezer II 240 (ACFRE00046A)
 | Auf Lager, 1-2 Werktage | 83,67 €*Stand: 16.05.24 17:02 |
 | Lieferbar, Lieferzeit 11857265 Werktage | 106,81 €*Stand: 16.05.24 17:21 |
 | Lieferbar, Lieferzeit 11857265 Werktage | 106,81 €*Stand: 16.05.24 17:28 |
Arctic Liquid Freezer II 360 Rev.2 (ACFRE00068B)
| Auf Lager, 1-2 Werktage | 107,98 €*Stand: 16.05.24 17:34 |
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