2x PCI-E x16 slot; 1x PCI-E x1 slot; PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU); PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset); PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)
2x PCI-E x16 slot; 1x PCI-E x1 slot; PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU); PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset); PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)
