PCIe to 4x PCI slot Expansion Box

Both run 1x on the 4x slot

This is a 4x card and I know that most of the time this will work without issue But in my experience with Dell PE servers compatibility is a

4x4 slot PCIe x4 is mostly for server grade network cards

4x4 turbo slot hello everyone, I need a motherboard with at least 4 x16 pciei, i dont care about about pcie version I need to install four 10 gigabit pcie card