Buy PCI Express X1 to X16 Low Profile Slot Extension

A x8 card will work in an x1 slot, but will be limited to x1 speeds A x8 card will also work fine in a x4 slot It will be limited to x4 speeds

An x16 slot accepts up to 16 lanes, but fewer lanes can be assigned Figure shows the concepts of PCIe lanes Notice how one lane has two

pcie 8x slot AMD B550 Ultra Durable Motherboard with Digital VRM Solution, PCIe x16 Slot PCIe x16 slot with faster bandwidth and lower impedance 2 PCIe

pcie 30 x1 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