Question about pcie 3 and single 16x or dual 8x8x

Question about pcie 3 and single 16x or dual 8x8x 16x pcie slot In ASUS 「PCIe x16 Slots - 2」 ibl slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express

ibl slot The size represents the number of direct connections provided by either a PCIe slot or card PCIe x1; PCIe x4; PCIe x8; PCIe x16 These

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