Other than an additional GPU power cable extension, my build that started in June is finally complete. : r/Corsair
PCI-E Riser Board 1 to 5 GPU Extender Riser Card USB 3.0 GPU Adapter 16x Slots. | Fruugo SE
MZHOU PCIE Riser 1X to 16X Powered Graphics Extension Riser Adapter Card with USB 3.0 Cable and 6-Pin Power Cord for GPU Mining (Black 2 Pack) : Amazon.se: Elektronik
PCIe Riser Gpu Card Extender, Computers & Tech, Parts & Accessories, Cables & Adaptors on Carousell