RSC-R1UU-2U - Supermicro 1U,2UIO,LEFT SLOT,SC815U,SC812U Motherboard slot type - UIO Riser card output slot(s) - 2 UIO (PCI-E x8) $70.79 $39.33
Supermicro PERIPHERAL, RSC-R2U-2E8 RSC-R2U-2E8, signal 2x PCI-E x8 2.0, output 2x PCI-E x8 2.0, 2U, LHS $99.76 $55.42
Supermicro PERIPHERAL, RSC-R1UU-E8PR Motherboard Slot Type - UIO Slot (X8DTU/-F, X7DWU, X7DCU); Riser Card Output Slot(s) - 1 PCI-E x8. $43.54 $24.19
Supermicro PERIPHERAL, RSC-R1UU-UE16 Riser Card Standard 1U LHS Passive UIO to 1 x UIO (PCI-E x8), 1 x PCI-E x16. $86.45 $48.03
RSC-R1UU-E8E16 - Supermicro UIO TO 1X PCI-E X8 & 1X PCI-E X16 Riser Card Standard 1U LHS Passive UIO to 1 x PCI-E x8, 1 x PCI-E x16. $99.85 $55.47