New riser cable fitted and the card works great, even though its totally stock at present.
X570 Aorus Elite / Ryzen 9 5900X / MBA RX7900 XTX / 64GB Quad Kit Kingston Fury Black 3600MHZ CL16 / RM1000 X PSU
I've had success with three installs of riser cables fitted to my recent builds. All are PCIe 4.0 cables to ensure I am not choking off the bandwidth the GPU needs.