Gelid Solutions Gelid Tranquillo Cooler Rev2 Tranquillo 4 Heatpipe Intel Socket 775/1566/1366 And Amd Am2. The tower CPU Cooler Rev. 2 Tranquillo uses 4 power heat pipes and a special heat pipe constellation to achieve best heat transfer from CPU core to the aluminum fins in its class. Like the original cooler the Rev. 3 Tranquillo uses 4 power heat pipes and a unique heat pipe constellation to achieve identical high cooling performance as its multi award winner predecessor. The heat pipe constellation was further optimized to prevent potential conflicts from components on the latest mainboards. The new AMD clip enables the cooler to be install in four directions (4 x 90 Deg ).