Memory Standard: DDR4 5133(OC) / 5000(OC) / 4800(OC) / 4700(OC) / 4600(OC) / 4500(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133*

* 11th Gen Intel processors support 3200 / 2933 / 2800 / 2666 / 2400 / 2133 natively.
* 10th Gen Intel Core i7 / i9 processors support 2933 / 2800 / 2666 / 2400 / 2133 natively, others will run at the maximum transfer rate of DDR4 2666.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.
Number of Memory Slots: 4x288pin (DDR4)
Audio Chipset: Realtek ALC S1200A
PCI Express 4.0 x16: 1 x PCI Express 4.0 x16*

* Actual support may vary by CPU.
PCI Express 3.0 x16: 1 x PCI Express 3.0 x16*

* Supports x4 mode....