011d-1

So just wanteed see if anyone else has this and can help us out brought the 011D-1 Pci-E Riser card for my Lian Li PC-O11 Case and since using it when i run GPU-z it only runs at x8 speeds? says it does run at 4.0 since the slot is 4.0 and GPU can run at 4.0 but even if i put to Gen 3 still...