SilentiumPC Fera 5 – The king is dead, long live the king!

Key features

Fera 3 from SilentiumPC is certainly one of the most popular coolers. Recently, however, a new version called Fera 5 was launched, which brings a number of new features. The cooler has been redesigned from the ground up, including the fan, and the assembly system has also undergone major changes. In addition, the whole thing has a 6-year warranty. Let’s see, how Fera 5 performs in the tests and whether it is a worthy successor to the previous version.

Key features of the cooler

The differences between the previous and current version are obvious at first glance. The entire design of the cooler, including the fan, was reworked in cooperation with Synergy Cooling. The base of the cooler is now formed by a dense bundle of 56 aluminum fins, which have a profile resembling a saw blade along the long edges. This jagged edge improves the acoustic profile of the cooler and also allows more efficient airflow.

The whole bundle of fins is then intersected by four heatpipes, whose configuration is also changed. Now all four pipes are concentrated in the middle of the cooler base with no gaps between them. This should result in more efficient heat transfer from the processor’s heat spreader to the heatsink itself. The shape of the cooler may seem symmetrical at first glance, but the appearance is deceptive. For optimal efficiency, it is necessary to follow the orientation of the cooler according to inconspicuous marks on the sides of the top cover.

   
   

The fan, which was also developed in collaboration with Synergy Cooling, also underwent major changes. It bears the Fluctus label and promises a more pleasant acoustic profile compared to the original Sigma Pro fan. Due to the area and shape of its nine blades, it should provide a very solid static pressure, but SilentiumPC is still hiding its current value until the patent process is completed. The manufacturer places great confidence in these new fans, as the MTBF (mean time between failures) is twice as high as of the Sigma Pro fan and the warranty period is even three times as long. The cable for connecting the fan to the motherboard offers the possibility of connecting another fan in series, which saves you from worries with splitters. Fan clips have also been improved. Now they work much better, their grip is stronger and, last but not least, they look neat.

The accessories that you will find in the cooler package do not hide any surprises. However, the assembly system has been completely redesigned compared to the previous generation, and the installation of the cooler is now easier. I’m glad we finally got the spring bolts. In the package you will also find the Pactum PT-3 thermal paste, which is a slight upgrade to the previous PT-2 variant. The new version of the paste should offer low viscosity for easier application while maintaining high thermal conductivity. The included tube is enough for about three applications. Of course, the package also includes a clear user manual with installation instructions and four metal clips for mounting the fans. In addition, the Fera 5 is also available in a Dual Fan variant, but the only difference is in the presence of the second Fluctus fan in the package.

   

Cooler and fan specifications

The SilentiumPC Fera 5 is not very different in size from the previous version. It is a very compact cooler and there is no conflict with RAM modules. The price of the new model is the same as the original version, with the Dual Fan variant you naturally have to pay extra for the second fan in the package.

Unfortunately, SilentiumPC does not provide much information about the new Fluctus fan yet. It is a standard 120 mm with PWM speed control. Compared to the Sigma Pro fan, the Fluctus is equipped with a bearing of higher quality with double the service life and offers a wider rpm range.


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