PCIe x16 switching to x8 even if no 2nd GPU connected?

PCIe x16 switching to x8 even if no 2nd GPU connected? pcle x16 slot List of Motherboards with 4 PCI-Express x16 Slots: ASUS Pro WS TRX50-SAGE WIFI, GIGABYTE A620M C, GIGABYTE B650M C V2, ASUS Prime B760M-A AX, GIGABYTE B760M pcle x16 slot 1, PCIE X16 slot split 4 PCIEX4 PCIE X16 split X4X4X4X4X4, SATA powered version 8, Short PCB design to minimize the size,

pcle x16 slot A PCIe or PCI express slot is the point of connection between your PCIe x1 • PCIe x4 • PCIe x8 • PCIe x16 These connections are

pcle x1 slot This PCIe x1 to PCIe x16 Slot Extension adapter provides enhanced compatibility between motherboards and a variety of PCI Express expansion cards, allowing you The 'x16′ indicates the maximum number of PCI Express lanes supported and thus, the length of the slot As version , each lane provides