Supermicro proprietary PCI-E slot adapter riser cards or cables?

PCIe Standards: What You Need to Know pcie x32 slot You can however use PCI-E 1x in a PCI-E 2x, 4x, 8x, 16x, 32x slot (and even technically the other way too, you can use PCI-E 16x slots in 1x pcie nvme slot Depending on the motherboard you purchase, PCIe slots vary PCIe slots have a number of different physical configurations: x1, x4, x8, x16, x32

pcie 30 x1 slot PCI Express slots are configured on a motherboard PCIe can scale from one to 32 separate lanes; it's usually deployed with 1, 4, 8, 12, 16 or 32