Supermicro RSC-R1UU-2U interface cards/adapter

Supermicro RSC-R1UU-2U
Manufacturer: Supermicro
SKU: 2264259
Manufacturer part number: RSC-R1UU-2U
$30.68
Motherboard slot type - UIO Riser card output slot(s) - 2 UIO (PCI-E x8)
Motherboard slot type - UIO Riser card output slot(s) - 2 UIO (PCI-E x8)