Choosing CM Hyper 212X or Hyper 212 evo

Solution
They both support dual fans and the hyper 212x has a better fan and has marginally more perfrmance than the hyper 212 evo
The both come with brackets to have 2 fans
But 2 fans would just give a little performance increase
The 212X is the upgraded version that hasn't reached proliferation yet. Fan aside, the difference lies with the aluminum fins. They have X-shaped perforations around the heatpipes. These perforations have a two-fold purpose: the first is to help direct some of the airflow around behind the heatpipes to stop "heat pockets" from forming, the second is to allow for better a better type of airflow.

In a previous generation of aftermarket coolers, Enermax included such features on their ETS-T40 heatsink, which was a direct competitor to Cooler Master's Hyper 212 Plus (along with the Xigmatek Gaia, I believe). Other companies are starting to adopt the same ideas.
 

Abhishek1025

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Aug 26, 2011
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oh! thank u very much for the info! it seems 212X is good to go for

 

Abhishek1025

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Aug 26, 2011
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The Noctua is great, and is very good for higher clocks.. and the 212X is good for mid clocks