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Supermicro 1U Server PCI-E X16 Riser Card RSC-R1UW-2E16

Supermicro RSC-R1UG-E16B-X9 Rev 1.0 PCIe x16 1U Server Riser Card

Supermicro RSC-R1UG-E16 Rev 1.01 PCIe x16 1U Server Riser Card

Supermicro 1U Server PCI-E X16 Riser Card (NO Bracket) RSC-R1UW-2E16

Supermicro RSC-R1UW-2E16 Riser Card Rev. 1.02A

Supermicro RSC-R2US-3E8R PCIe 3.0 x8 Riser Card with Bracket