Conclusion

SilverStone released the Permafrost series as competitively priced, quality AIO coolers that also feature RGB lighting. It is apparent that the company’s engineers did not try to make the coolers extravagant in any given way, but to design products that mix solid aesthetics, reliability, and performance, all while remaining reasonably priced.

Overall, the thermal performance of the new Permafrost series is good, although unsurprising for coolers of their size. This was to be expected, as they are using virtually the same tried-and-true radiators that many other manufacturers have been using for many years now, with the design team focusing their efforts on the main block. There is little to be gained by fiddling with the mini pump when limited by the small available power, but SilverStone’s engineers managed to maintain good flow performance while considerably reducing the pump’s noise output.

Each of the three Permafrost coolers seems to have a different performance profile and, thus, targets a different group of users. The PF240 seems to be the most balanced of the three coolers, being reasonably sized and capable of closing near the performance of the PF360 if it has to. The larger PF360 does not really stand out in terms of raw thermal performance but is capable of maintaining that performance even if the airflow drops greatly. Finally, the small PF120 offers acceptable thermal performance and relatively low noise levels in a small, easily handleable package that should fit inside even the smallest of PC cases.  

While SilverStone could not make substantial improvements regarding the thermal performance of their AIO coolers, they did manage to get ahead in terms of acoustics. Most of that improvement seems to be coming from the better pump engine and the high quality fan engines. No matter the reason, the Permafrost PF240 and PF360 tend to offer better thermal performance at lower noise levels than many similarly sized, older AIO coolers, which will definitely entice users who enjoy low noise levels.

As for the RGB lighting, its application on the Permafrost coolers is simplistic but effective. The LED lighting is bright enough and the fans glow brilliantly into a dark environment. It is compatible with nearly all current RGB motherboards and can be controlled via the motherboard’s software. For users that do not have a compatible motherboard, the RGB lighting can be effectively programmed via the included controller that includes several fancy and static lighting effects, but the user will have to access the inside of the system for each program/brightness change.

In conclusion, with the release of the Permafrost series, SilverStone brought three very well balanced AIO coolers with RGB support into the market. The three coolers are sensibly priced, with the 240mm model running for $99 and even the largest 360mm model and can be frequently found for $129 – and they're often on sale for less, making them a serious threat to the competition.

 
Thermal Resistance VS Sound Pressure Level
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  • BenSkywalker - Wednesday, June 17, 2020 - link

    When will they leak? Had one going for about a decade now, hasn't happened yet. Also, saying they cool equally is just plain wrong.
  • liquid_c - Wednesday, June 17, 2020 - link

    You have never used an AIO cooler. Of that, i’m sure.
  • Beaver M. - Saturday, June 20, 2020 - link

    You have very bad hearing, of that I am sure.
  • Lord of the Bored - Thursday, June 18, 2020 - link

    Repeat after me: I mostly want to feel superior to people that use technology diffrently than I do!
  • Beaver M. - Saturday, June 20, 2020 - link

    Repeat after me: Projection doesnt help my case.
  • Beaver M. - Saturday, June 20, 2020 - link

    Some do cool better. But not by much. Maybe 5 C at best. Thats not worth it at all, especially those that can do that are extremely expensive.
    But they are also louder. The pumps are hard to get silent even in very professionally damped cases, because its a very low frequency hum that vibrates the whole case. Imagine an external 3.5" HDD sitting on your desk.
  • ashoz85 - Sunday, June 21, 2020 - link

    Well thats short sighted, I moved from a desktop midi tower to an itx case (Old CM Elite 130) which sits the PSU above the cpu and the standard Ryzen 5 1600 cooler was too tall for it to fit.

    So i either chose a low profile air cooler (which basically couldn't breath which meant no overclock) or replace it with an AIO. The AIO was a much better fit for the job.
  • shaolin95 - Wednesday, June 17, 2020 - link

    When you have a system fully coordinate with RGB , it looks fantastic..so you are missing the point due to lack of knowledge or experience.
  • PeachNCream - Thursday, June 18, 2020 - link

    Not sure that's an accurate assumption. People have a variety of tastes in what constitutes something that looks "fantastic" so you will see variance and differing opinions regarding what impact RGB has on a computer. If you enjoy it and feel it is worth the additional software and hardware along with all that comes along with it, then go for it and enjoy yourself. On the other hand, failing to note the possible security problems, additional raw materials investment (and potential environmental damage the extras require - every little bit we conserve of our world helps in some small way) and other ramifications would be irresponsible of us.
  • ritawgoodman12 - Thursday, June 18, 2020 - link

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