The motherboard slot #2 shares bandwidth with several PCIe

Yes, the PCIe cards can indeed be installed in PCIe slots and vis-a-vis as the PCI interface is designed as forward and backwards-compatible However,

Yes, the PCIe cards can indeed be installed in PCIe slots and vis-a-vis as the PCI interface is designed as forward and backwards-compatible However,

pcie2 slot Yes, the PCIe cards can indeed be installed in PCIe slots and vis-a-vis as the PCI interface is designed as forward and backwards-compatible However,

pcie x1 slot function In ASUS 「PCIe x16 Slots - 2」