Memory Standard: DDR4 5333(OC) / 5000(OC) / 4800(OC) / 4600(OC) / 4400(OC) / 4266(OC) / 4000(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133*
* Actual Memory frequency support depends on the CPU types and DRAM modules, for more information refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Number of Memory Slots: 4x288pin (DDR4)
Audio Chipset: Realtek 7.1 Surround Sound High Definition Audio CODEC*
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Memory Standard: 11th Gen Intel Core Processors support DDR4 non-ECC, un-buffered memory up to 4800+(OC)*
10th Gen Intel Core Processors support DDR4 non-ECC, un-buffered memory up to 4600+(OC)*
* 11th Gen Intel Core (i9/i7/i5) support DDR4 up to 2933; Core (i3), Pentium and Celeron support DDR4 up to 2666.
* 10th Gen Intel 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/)