1x PCIE Riser Card. The connector is soldered on the component side (B side) of the board. When an I/O board is inserted, the component side of the I/O board face down, towards the motherboard.
PCIE Riser Card PCI-Express 3.0 16x Riser Card, PCI Express 3.0 16X 907916
1X(PCIE Riser Card PCI-Express 3.0 16x Riser Card, PCI Express 3.0 16X 909945
1X(PCIE Riser Card PCI-Express 3.0 16x Riser Card, PCI Express 3.0 16X 908888
PCI-E 5.0 16X to X16 180 Degree Converter Adapter Card PCIE Riser Card with2690
PCI-E 5.0 16X to X16 180 Degree Converter Adapter Card PCIE Riser Card with7010
Add On Card PCI Express USB 3.0 Adapter Raiser Extender PCIE Riser Card