4 x PCI Express x16 Intel Motherboards

4 x PCI Express x16 Intel Motherboards 1 x pcie 4 0 x16 slot You can plug in a PCIE x1 or 4x into a x16 slot and it will work perfectly even though you the connectors physically don't fill the whole slot 1429 uncharted seas slot free play Graphics Card Slot: 1 x PCI E 16X Gen Memory Type Support: 2 x DDR4 DIMM Memory Support: 2133, 2400, 2666, 3000, 3200, 3400, 3600MHz Memory, Supports

1429 uncharted seas slot free play In summary, the PCIe x16 slot on the motherboard supports PCIe x1, not x4x8x16 The cover leaves the shape of a x1 slot, covering the rest

1 32 slot cars PCIe x1, 18, 25 mm ; PCIe x4, 21, 39 mm ; PCIe x8, 49, 56 mm ; PCIe x16, 82, 89 mm 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