What is the purpose of having more than 1 PCIe x16 slots?

What is the purpose of having more than 1 PCIe x16 slots? slot pcie x16 PCIe slot will run at the lowest denomination speed The most common PCIe slot currently in use are PCIe x16 slots, PCIe x4 slot mahjong bet 200 pcie x16 slot graphics cards,Live casino free play is an exciting and immersive experience that allows players to enjoy the thrill of a

slot mahjong bet 200 Verilux® NVME Adapter PCIe x16 with Gel Pad, NVME or AHCI SSD to PCIE Adapter Card for Key M 2230, 2242, 2260, 2280 Size SSD, Support PCIe x4 x8

slot sweet bonanza demo 1 x PCI Express x16 slot, supporting PCIe and running at x16 * The PCIEX16 slot shares bandwidth with the M2C_CPU connector  PCIe x16 Gen expansion backplane with two slots The PCIe x16 Gen3 backplane has two PCI Express x16 slots, with one slot supporting the OSS target