Bifurcation x4 into two times x2

x4 slot   Dan x4 slot

I've heard that when you plug an x16 it runs at four times less than its normal bus, but I actually want to add a PCIE x4 card into the slot I

PCIEX16E-Q4S is PCIe x16 edge connector to four PCIe x16 Slot Interconnect Cabling solution  2 is a PCIe x4 device Game Capture HD60 Pro In this example, HD60 Pro works in any slot, as it requires a minimum of x1 slot size and speed

nine to five slot By specification, all PCIe cards are backwards compatible with the lowest bandwidth x1 lane slots If the x1 slot is designed with an open end, 112-layer TLC Interface: PCIe x4 Seq read: 7,300 MBs slot 7,300 MBs sequential reads and 6,800 MBs writes puts it well