PCIe Gen4 x4 Slot to SFF-8644 Passive Adapter

1 x PCIe x16 slot Intel® B760 Chipset 1 x PCIe x16 slot 1 x PCIe x1 slot

For the sake of completeness: Unless you're doing weird things like bifurcating a slot and using it for multiple devices (which requires

x4d slot PCIe cards can always operate in PCIe slots with the same or more lanes than the card For example, an x8 card can operate in a slot with x8, x16, or x32 lanes

extruded aluminum tslot Pcie x16 slot into multiple x4 slots · PCIE Bifurcation · IBM 69Y5321 M4 PCIe Gen-III Riser Card 2 · Cablem ATIC