New here so forgive me if this is in the wrong forum. I have a mining rig with Ryzen5 3400g, MSI B550 with 2 PCIe 16 and 3 PCIe 1. ( I have tried a 450 ATX and a Micro 450), 16G of ram 1TB m.2 hdd and a 850w PSU. The setup works fine and mines using a RTX 3080. I can add a 3090 using a riser...