PciE x1 wireless adapter on 2nd pciE x16 slot, without any graphics

What are the top uses of PCIe x1 Slots? pcie x1 in x16 slot PCIe x16 slots are generally intended for use with Graphics Cards PCIe 1x slots are generally for smaller add-in cards like Wifi Adapters, USB Adapters, or pcie slot for gpu Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express

pcie 4 card in pcie 3 slot PCI Express Expansion · One SATA 15pin power connector · Two JST Compatible 2pin Wafer