Will PCIe x1 x4 cards work in x16 slot?

List of Motherboards with 4 PCI-Express x16 Slots: ASUS Pro WS TRX50-SAGE WIFI, GIGABYTE A620M C, GIGABYTE B650M C V2, ASUS Prime B760M-A AX, GIGABYTE B760M

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

pcie slot function Expansion Slots ITFreeTraining•34K views · 10:39 Go to channel · I Will PCIe x1 x4 cards

pcie4 slot PCI Express Expansion · Five PCIe Gen 4 x16 Slots One PCIe x16 Slot for Target Cable Adapter; Four PCIe x16 Slots for Add-in Card · ATX