‎Why does my PCI-E X1 Slot look like this?

‎Why does my PCI-E X1 Slot look like this? pcle x1 slot PCIE X1 SLOT PCIE X1 GOLD FINGER 20201007 U98 增加EPAD 20201007 U98 Pin17 改open SMB_CLK_RESUME1 SMB_DATA_RESUME1 pcle x1 slot 2 x PCI Express x1 slots 2 x PCI slots At the Moment there are The third PCIE slot will run at only 1x if the second slot is occupied

pcle x1 slot x16 slot is the most capable slot of those and if you install an x16 supported card it works at fastest x8, x4 and x1 slots are

pcle x16 slot x16 slot is the most capable slot of those and if you install an x16 supported card it works at fastest x8, x4 and x1 slots are 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