Hi, Normally you can find full information about this Product in Asus web. But anyway I did that for you.

Memory
4 x DIMM slots, Max. 192GB, DDR5 7800+(OC)/7600(OC)/7400(OC)/7200(OC)/7000(OC)/6800(OC)/6600(OC)/6400(OC)/ 6200(OC)/6000(OC)/5800(OC)/5600/5400/5200/5000/4800 Non-ECC, Un-buffered Memory*
Dual Channel Memory Architecture
Supports Intel® Extreme Memory Profile (XMP)
OptiMem II