Card in Slot How will it work? -

Buy ADT-Link Key M NVMe External Graphics Card Stand Bracket with x4 Riser Cable 25cm 50cm 32Gbs for ITX STX NUC VEGA64 GTX1080ti

It clearly states its pcie4 for the gpu at x16 so it will be running at pcie4 all but x4 as the 6500xt is limited to that but working at its max

pcie cem slot It should be backward compatible, but you will see less performance than if you had it in a PCIe slot since it runs at PCIe x8 instead

pcie x1 in x16 slot Yes, the PCIe cards can indeed be installed in PCIe slots and vis-a-vis as the PCI interface is designed as forward and backwards-compatible However,