Pcie 8x slot bifurcation & risers

'Half-Length' PCIe Slot Makes No Sense: PC Talk Forum pcie 8x slot PCI Express PCI-E PCIe 8X to 16X Female Slot Adapter Converter Riser Card for Graphics Card, You can get more details about PCI Express PCI-E PCIe 8X to 16X pcie slot x16 pcie x8 slot for the 10Gbs network card It could even just be a micro form factor motherboard with a pcie x8 slot that i need to build

pciex4 slot A PCIe x1 adapter can fit in an x1 or higher slot A larger card, such as a PCIe x16, cannot fit in a lower-numbered slot