Hennes
Sky X7C supports RTX 20 series GPUs.
RTX 3080 is based on PCIe 4.0 and therefore it is not supported in Sky X7C. Sky X7C is PCIe 3.0 based.
Our SkyZ7 R2 is PCIe 4.0 based >>>> https://eurocom.com/ec/configure(2,477,0)EUROCOM_SkyZ7R2
You may consider trading in your Sky X7C in the future for Sky Z7 R2 .....