Memory Standard: Support for DDR4 2666/ 2400/ 2133 MHz memory modules
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for Extreme Memory Profile (XMP) memory modules
Memory Standard: DDR4 4200+(OC)*/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3200(OC)/ 2933(OC)/ 2800(OC)/ 2666/ 2400/ 2133
* The maximum memory frequency supported may vary by processor type.
* Please refer to Memory Support List on ASRock's website for more information.