1x PCIe 4.0/ 3.0 x16 slot (PCI_E1)
3rd Gen AMD Ryzen™ support PCIe 4.0 x16 mode
2nd Gen AMD Ryzen™ support PCIe 3.0 x16 mode
Ryzen™ with Radeon™ Vega Graphics and 2nd Gen
AMD Ryzen™ with Radeon™ Graphics support PCIe 3.0
x8 mode
y 1x PCIe 4.0/ 3.0 x16 slot (PCI_E3, supports x4 mode)
y 3x PCIe 3.0 x1 slots*
* PCI_E2 will be unavailable when installing the PCIe card in PCI_E4 slot.
** The speeds may vary for different devices