Supermicro RSC-R1UU-E8R+ interface cards/adapter

Supermicro RSC-R1UU-E8R+
SKU: 1918729
Manufacturer part number: RSC-R1UU-E8R+
$17.30
Motherboard Slot Type - UIO Slot; Riser Card Output Slot(s) - 1 PCI-E x4/8.
Motherboard Slot Type - UIO Slot; Riser Card Output Slot(s) - 1 PCI-E x4/8.