Most of the Intel CPUs support 2666MHz memory frequency. What if I place higher RAM frequencies (i.e 3200MHz) will they 'sync' in that clock or will they remain at 2666MHz? - Quora
Installing a 3200 MHz Ram on a 2666 MHz chipset. Will it work? - YouTube
Is it a big difference between 3600 MHz RAM vs 2666 MHz RAM? Is 4133 MHz overkill? - Quora