I have bought 3 single RAMs "3*4GB" to work as triple channel on my ASUS Rampage II Extreme. The new RAMs specific type is F3-12800CL9S-4GBRL - G.Skill 4GB 1600 MHZ CL9 9-9-9-24 1.5V. After the installation, my MB didn't boot at all and didn't even beep. I want to add that before purchasing the memory i have checked G.Skill RAM Configurator to know if the RAM is compatible with my MB or not and fortunately i have found that no issue in installing this type. Please, i need your support to know what is going on. Thanks in advance.

RAM Type:-

http://www.gskill.com/en/product/f3-12800cl9s-4gbrl

RAM Compatibility:-

http://www.gskill.com/en/configurator?manu=29&chip=40&model=208