Cannot find PCIe NVMe SSD during Windows 11 installation

PCIe Motherboard pcie 4 nvme in pcie 3 slot Hi there, I'm trying my first build and I bought a samsung 980 PCIe NVMe SSD which is a PCIe Gen x4, NVMe interface pcie training error slot 1 Mount a NVMe SSD into a desktop computer or server, utilizing a PCIe x4 expansion slot · ADD HIGH PERFORMANCE U · UNIVERSAL COMPATIBILITY: Backwards

pciex1 slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express