The PCIe Version Doesn't Matter for Graphics Cards Like You Think

It's not a question of efficiency ( whether or not it's justifiable to use expensive card designed for 16x PCIe in 4x slot of PCIe

Running a stable multi-GPU setup for gaming will need your motherboard to have at least two mechanical PCIe x16 slots, each equipped with a minimum of 16 PCIe

can you use ddr4 in ddr5 slot 2 #2 +#3 so if use pcie x8 for a 2nd GPU or a card adapter

candy bonanza slot demo Running a stable multi-GPU setup for gaming will need your motherboard to have at least two mechanical PCIe x16 slots, each equipped with a minimum of 16 PCIe