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.
PCI Express 3.0 x16: 3 x PCI Express x16 slots, supporting PCIe 3.0 and running at x1
* The PCIEX1_1 and PCIEX1_2 slots become unavailable when an AMD Ryzen 8000 Series-Phoenix 2 processor is used.
Memory Standard: DDR5 6400+(OC) / 6200(OC) / 6000(OC) / 5800(OC) / 5600(OC) / 5400(OC) / 5200 / 5000 / 4800
* Supported memory types, data rate(Speed), and number of DRAM module vary depending on the CPU and memory configuration, for more information refer to www.asus.com for memory support list.
* Non-ECC, Un-buffered DDR5 Memory supports On-Die ECC function