Memory Standard: Support for DDR4 2666/ 2400/ 2133 MHz memory modules
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode)
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for Extreme Memory Profile (XMP) memory modules
* To support 2666 MHz or XMP memory, you must install a 9th or 8th Generation Intel Core i9/i7/i5 processor.