... The cooler itself makes a very high-quality impression, if, indeed if it were not for the problem with the mounting on a board with Socket 2011. For I know Boards for Sandy Bridge E processors, the installation of the CPU cooler is only possible after installing the memory modules, since this overbuilt memory banks. And then there are the motherboard heatsink around the CPU socket ... and the question: "How do I get the nuts onto the screws on the board ... and as I pull this then with the wrench? without damaging the RAM module or the heat sink? " ... All consideration and careful approach did not help! ... The cooler can not be secured, as the screw located directly under the fins and around the base to prevent the above-mentioned components a lateral access to the screws! When pedestal 2011 Xigmatek Prime SD1484 is (even if he is not so beautiful) is the better choice because it can be installed absolutely easy and safe ... ... And one on the side: only the 135mm fan of the Dark Rock provides a speed signal. The 120 does not, as Listan (be quiet) confirmed. A separate control via a ASUS P9X79PRO would therefore also not possible if it should have someone managed to use the rad on ...