Cooler Master Geminii S524 VER.2 CPU Cooler Review


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A Closer Look at the Cooler Master GeminII S524 VER.2

The packaging of the Cooler Master GeminII S524 VER.2 is far from exciting, mostly made from cardboard which not only protects the heatsink, but keeps the accessories organized. In a measure to keep the review interesting we always omit boring stuff, so without further due lets get into looking at what came inside the box. In this section I will give my first impressions of the S524 Ver. 2 as well as go over the exterior details that Cooler Master has added to this cooler.


Having a lot of accessories included with your cooler is not always a good thing. The Cooler Master GeminII S524 Ver. 2 comes with a back-plate, a warranty information paper, the necessary screws, washers, and nuts to mount the cooler into any of the supported motherboard sockets, a tube of cooler master branded thermal paste, a small wrench tool, and four different pairs of brackets which are not labeled. Having so many accessories can be a symbol of quality, but buyers should take into account that loose pieces have a high risk of getting lost.


The Cooler Master GeminII S524 Ver.2 has a very dense fin array accompanied by five heatpipes that run from the bottom of the cooler across the aluminum fin array, Very similar to other notable Cooler Master products like the Hyper 212, the Geminii series takes those designs and tries to invert them so that the fan blows directly onto the motherboard. This design has several advantages like cooling other motherboard components, and making a lower profile cooler with the same cooling capability of one of it’s taller brothers. The Geminii series in general has a high fin density but less surface area per fin, making each fin smaller but keeping the cooling capacity of the heatsink adequate.


I usually rant a lot about not perfectly machined base plates on high-end CPU coolers, after alll the Cooler Master GeminII S524 Ver.2 is not a cheap product. Our sample of the Cooler Master GeminII S524 Ver.2 has no notorious mistakes on it’s overall finish on the flat heatpipes located at the base plate but had notorious gaps between each heat pipe. Having a perfectly machined base plate with no errors should yield better performance as there will be no place for air pockets to form between the TIM and the base of the cooler.


Looking at the sides of the GeminII S524 Ver. 2 we see a new feature added to the version 2 of this cooler. Cooler Master has added a series of vents that guide airflow towards the heatpipes and create vortices from the regular air convection of a case that has an airflow channel consisting of air flowing from the front to the back of the case. Cooler Master claims that this should ultimately reduce CPU temperatures. 


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  1. JackNaylorPE

    Given the claims of the extra cooling benefits besides the CPU, can you add anything relative to that particular feature ? Given the cost difference, versus performance difference with the Hyper 212, many I don’t think would be willing to spend the extra moola unless there’s some real benefit there.

    1. Julian Duque

      Of course! Don’t forget that this is not supposed to be a direct replacement of the hyper 212 evo, as it is not even of the same line of CM products. The Geminii Ver. 2 is low profile-ish, which should allow it to be mounted in smaller cases were the 212 evo doesn’t fit like the corsair 250d. You also get support for a 140 mm fan, something that the 212 evo lacks. CM also include a silencio 120 mm fan with the Geminii Ver.2 which is a lot better acoustically when compared to the stock fan of the 212 Evo. Also, remember that the Hyper 212 Evo retailed close to $35 in the USA when launched, meaning the Geminii Ver. 2 is actually just a $7 dollar premium.

  2. Richard Graber

    You evaluated this device against others, including the 212 Evo, and found it superior. I would like to confirm that this is the cooler to get in comparison to the 212 Evo.

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