Memory Standard: DDR4 2666/ 2400/ 2133
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
* The maximum memory frequency supported varies by processor.
** DDR4 2666MHz and higher memory modules will run at max. 2666MHz on Intel 8th Gen. 6-core or higher processors.
Memory Standard: Intel Xeon W-1290/W-1270 series processors / Intel Core i9/i7 processors:
Support for DDR4 2933/ 2666/ 2400/ 2133 MHz
Intel Xeon W-1250 series processors / Intel Core i5/i3/Pentium/Celeron processors:
Support for DDR4 2666/ 2400/ 2133 MHz
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
* To support ECC, you must install an Intel Xeon processor.
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for Extreme Memory Profile (XMP) memory modules
Number of Memory Slots: 4x288pin (DDR4)
Audio Chipset: Realtek ALC1220-VB codec
* The back panel line out jack supports DSD audio.