Memory Standard: DDR4 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133 *
* Actual memory data rate 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: 2x288pin (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.
PCI Express 4.0 x16: 1 x PCI Express 4.0 x16
* Actual support may vary by CPU.
PCI Express 3.0 x16: 4 x PCIe 3.0 x16 slots
Support x8/x8/x16/x8 and x16/x0/x16/x8 modes with the 48-lane CPU.
Support x8/x8/x16/x8 and x16/x0/x16/x8 modes with the 44-lane CPU.*
Support x8/x8/x8/x0 and x16/x0/x8/x0 modes with the 28-lane CPU.**
* The PCI_E4 slot will run 3.0 x4 speed with 44-lane CPU when installing M.2 PCIe device into M2_3 slot.
** The PCI_E4 slot is unavailable with 28-lane CPU.