Will PCIe x1 Sound card work in PCIe x16 slot?

PCIe x1 to 3 x1 Slot PCI-e Express Switch Multiplier Hub GPU Riser pcie 3 0 x1 slot This particular motherboard incorporates three PCIe x16 slots and four PCIe x8 slots for super fast speeds and versatile system pcie m2 slot PCIe X1 slots- I am putting in 4 sound cards!! And not once addressed the issue that if you populate the second X16 slot you get two X8 Now

pcie2 slot The PCI Express riser card by Delock can be plugged into any PCI Express x1 slot on the motherboard The PCI Express board can be mounted in a different