PE-6S PICMG 1.3 Full Size Passive Backplane with one PCIe x16 Slot, two PCIe x1 Slots and two PCI Slots | Industrial PC Pro
Amazon.com: ADT-LINK Riser PCI-E 3.0 16x to x1 PCIe x16 x1 PCI Express Riser Mining Graphics Card Extension Cable R13SC 25cm with Power Line (No Power Cable) : Electronics