The E5400 does not have that option. That is an almost 8 year old business oriented laptop and not a performance system. XMP is generally found on systems such as the XPS or Alienware lines.
HelloI have a dell latitude E5400 i saw that if u enable XMP on your device from bios u can get some extra performanceI have 2 ddr3 rams of 4 gigs both at 1600mhz so i went to bios but found no XMP option so can anyone help me with it
How to enable XMP on dell latitude E5440