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A bifurcating riser will split the PCIEx16 traces into x8/x8. AFAIK you can then theoretically run any* PCIE devices off those two slots as up to electrically x8 devices.The motherboard needs the BIOS to explicitly support bifurcation to be able to "know" there are 2 devices running off the slot.*Power limits may apply for slot-powered devices.
A bifurcating riser will split the PCIEx16 traces into x8/x8. AFAIK you can then theoretically run any* PCIE devices off those two slots as up to electrically x8 devices.
The motherboard needs the BIOS to explicitly support bifurcation to be able to "know" there are 2 devices running off the slot.
*Power limits may apply for slot-powered devices.
