Supermicro - RSC-G-A66-X - Riser Card 1U GPU Active LHS RSC-G-A66-X - Supermicro - 1U GPU Active Riser Card LHS for X10 Motherboards $240.69
Supermicro - RSC-GR-6-X - Riser Card 1U GPU Passive RSC-GR-6-X - Supermicro - SuperServer 1U GPU Passive Riser Card $34.99
Supermicro - RSC-GR-6 - Riser Card 1U GPU Passive PCI-E x16 RSC-GR-6 - Supermicro - 1U GPU Right-Side Passive Riser Card - 1x PCI-E x16 Signal and 1x PCI-E x16 Output $57.79 $46.98
RSC-G2B-A66 - Supermicro - 2U GPU Left-Side Active Riser Card RSC-G2B-A66 - Supermicro - 2U GPU Left-Side Active Riser Card $202.14 $164.34
Supermicro - RSC-R1UG-E16R - Riser Card 1U Double Width GPU RSC-R1UG-E16R - Supermicro - 1U Riser Card f/ double width GPU Cards $51.45