Will PCIe x1 x4 cards work in x16 slot?

PCIe x1 Card Not Working in PCIe x16 Slot pcle x1 slot Here's the best way I've found and seen of modifying a PCIE x1 slot to fit a full-sized x16 card pcle slot PCIe x1 slots replace the standard PCI port and are about 1 inch long They move data on and off the motherboard at up to 250 MBps in

pcle x1 slot PCIe interface, slot and mounting multiple cards in one computer Computer motherboard may have PCIe slots compatible with x1, x4, x8 and x16 When users need