Different Ways To Identify Your RAM Type:

                 RAM type can be identified by different ways.
                        1) By using Softwares lilke           CPU-Z
                                                                            SIW     (System information)
                                                                            SPEED FAN
                                                                            EVERTZ HOME EDITION

                                    Example:  
                                          Download and Install CPU-Z
                                          Run and Go to memory tab.
                                          Below is the Sreen shot
                   
                                     
                   2)   In case you cannot boot your os you can open the cpu and you can identify you RAM.
                            By the below picture you can easily identify the difference between the DDR RAM types.
                                     
                                                       SDRAM

         
                   3)  You can also know the RAM type through bios      
     
         Go to BIOS by pressing any one of this depending on the manufacturer at the startup.

  • F1
  • F2
  • DEL
  • ESC
  • F10        
             Then go to performance 
                    then select DRAM Configuration and press enter.
 There u will find which type of RAM  your are using. The above options will Slightly differ for different manufacturers, but the overall idea is the same.