Memory Standard: DDR4 2400/ 2133 non-ECC, un-buffered memory* * 7th Gen Intel CPU supports DDR4 up to 2400; 6th Gen Intel CPU supports DDR4 up to 2133.
Memory Standard: DDR4 2933 / 2800 / 2666 / 2400 / 2133*
* Core (i9/i7) support DDR4 up to 2933; Core (i5/i3), Pentium and Celeron support DDR4 up to 2666.
* Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/)