In the market for processor cooling systems, practically nothing has happened in recent years. New models are rarely released, and even those are often only slightly improved versions of old ones.

And this is normal because, firstly, the CPU’s power consumption has not changed much over the past 10 years. Secondly, the cooler can survive the change of more than one socket, and thirdly, no particular technologies are often not introduced here.

When IceGiant ProSiphon Elite was shown to us at the end of 2019, I was very interested. The dimensions are interesting here, which were amazing for the prototype, and then the prototype was shown. The cooler weighed 2.2 kg! The manufacturer assured that the production model would be more compact and much lighter (1.29 kg).

And now the device is finally on sale, and it is still impressive. So, the serial model’s dimensions are 164 x 251 x 104 mm, and the weight has dropped to only 2 kg if you count with four fans. The cooler is still gigantic, but you can see how much larger the prototype was in the photo below.

IceGiant ProSiphon Elite
IceGiant ProSiphon Elite

IceGiant ProSiphon Elite: Everything you need to know!

In fact, IceGiant ProSiphon Elite is interesting not only in size. It is based on really new technology for the segment. This is a two-phase cooling system, the principle of which is similar to heat pipes. Here, in the same way in the system, the liquid heats up at the base, evaporates, rises to the radiator, and cools and goes down. In general, there are not so many differences from systems with heat pipes, and the manufacturer himself does not particularly mention them, but in fact, we have a thermosyphon. The manufacturer emphasizes that everything works under gravity’s influence, so the device does not have any pumps. In this case, the cooler can be positioned both vertically and horizontally. Separately, I note that IceGiant specializes in cooling systems for data centers, and it was from there that they took ProSiphon technology, adapting it to a consumer product.

Returning to the device, you can hang up to four fans on it, which rotate at speeds up to 2300 rpm, generating noise up to 32.2 dBA. Tests show that the cooler is noisier than the Noctua NH-U14S TR4, but the noise is not critical.

In terms of performance, Linus Tech Tips tested the pre-production sample back in November, and the results are impressive.

True, it is worth noting that this monster’s effect will be only when used with no less monstrous CPUs. If you install it on a regular processor, even overclocking the latter, the Noctua flagship will be more efficient.

In general, this is the ultimate solution for the respective CPUs. And the cost here is appropriate – $170.

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