RSC-R1UW-2E16 - Supermicro PERIPHERAL, 1U LHS WIO RISER CARD WITH TWO PCI-E X16 SLOTS Riser Card 1U LHS Passive WIO to 2 x PCI-E x16. $83.27 $46.26
RSC-R1UW-E8R - Supermicro PERIPHERAL, 1U RHS WIO RISER CARD WITH ONE PCI-E X8 SLOT Riser Card 1U RHS Passive WIO to 1 x PCI-E x8. $73.19 $40.66
RSC-R2UW-4E8 - Supermicro PERIPHERAL, 2U LHS WIO RISER CARD WITH FOUR PCI-E X8 SLOTS Riser Card 2U LHS Passive WIO to 4 x PCI-E x8. $106.22 $59.01
RSC-R2UW-2E8R - Supermicro PERIPHERAL, 2U RHS WIO RISER CARD WITH TWO PCI-E X8 SLOTS Riser Card 2U RHS Passive WIO to 2 x PCI-E x8. $67.48 $37.49
RSC-R1U-E16R - Supermicro 1U - SXB2 SLOT TO 1X PCI-E SLOT - Form factor 1U; - Interface PCI-Ex16; - 1 x PCI-E x16. $50.06 $27.81
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