Bought my PC from PCSpecialist a couple of years ago, decided to replace my AMD 6700 XT with an Nvidia RTX 4090 using the upgrade option (Order No. 2598988). Card arrived today, a couple of issues/concerns
1) No power cable was in the box (was expecting a 3 or 4 plug cable) so can't install...
So the motherboard I selected for my build using the very limited selection of motherboards from PCS list is the ASUS Strix B550-F. The case I sent in is the Phanteks p600s which has a front USB-C port. I've discovered today that the motherboard does not have a front USB-C header. What are my...