Spliiting one PCIe x16 Slot into two x8 Slots : r/sffpc
Why Are the PCI Express Ports on My Motherboard Different Sizes? x16, x8, x4, and x1 Explained
PCIe x1 x4 x8 x16 to Dual PCI slots adapter pci express to 2 pci card With USB 3 | eBay
GPU running at x8 PCI-e instead of x16. GPU is seated in the 1st slot, tried seating in 2nd slot, then its running at 4x. Tried reinstalling drivers, tried adjusting some settings
CEACENT CNS41CX16W SFF8654(x8) to PCIe x16 (PCIe x8 bandwidth) Riser Card, External Single Port for ALEO, PCIe slot Expansion