RSC-R2UU-UA3E8+ - Supermicro 2U, UIO SLOT, 1 UIO,3 PCI-E X8 1 UIO slot, 3 PCI-Express x8. $288.94 $160.52
RSC-R2UU-A4E8+ - Supermicro 2U UIO ACTIVE RISER, GEN2 SUPPORT Riser Card 2U LHS Passive UIO to 4 x PCI-E x8. $288.41 $160.23
RSC-R2UU-E8E16 - Supermicro LEFT SLOT UIO, UIO SLOT (X8DTU/-F - Position: Left Slot UIO (X8DTU/-F); - Interface 1 PCI-E x16, 1 PCI-E x8. $86.89 $48.27
RSC-R2UU-U2E4E8G - Supermicro 1 UIO, 2 X4 AND 1 X8 IN X16 SLOT Riser Card 2U LHS Passive UIO to 1 x UIO (PCI-E x8), 2 x PCI-E x4, 1 x PCI-E x8. $119.92 $66.62
RSC-R1UG-2E8GR - Supermicro 1U RISER, UIO TO 2PCI-E X8DTG-RIGHT SIDE Riser Card Standard 1U RHS Passive PCI-E x16 to 2 x PCI-E x8. $73.19 $40.66
RSC-R1UG-2E8G - Supermicro 1U RISER, UIO TO 2PCI-E X8DTG- LEFT SIDE Supermicro RSC-R1UG-2E8G. Host interface: PCIe, Output interface: PCIe. Form factor: 1U, Slot type: PCI-E x16, I/O ports: 2 x PCI-E x8 $69.88 $38.82