What are PCIe x1 Slots Used For?

What are PCIe Slots in PC? pcieslot 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 pcieslot PCIe Gen3 provides 8 gigatransfers per second or effectively up to 984 MBs per lane so

pcieslot 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