Yes, you can install a 1x PCIe card into a 16x or 4x PCIe slot

Yes, you can install a 1x PCIe card into a 16x or 4x PCIe slot pcie 1x slot x16 slot is the most capable slot of those and if you install an x16 supported card it works at fastest x8, x4 and x1 slots are pcie x1 slot function 2 Answers 2 Any PCI Express card of a smaller size will fit into a larger slot So an x1 card will fit in an x8 slot Please see the Wikipedia

pcie x1 slot function So I believe most of us here are familiar with the concept of a PCI-E 16x slot being capable of providing up to 75w of power through the

pcie 40 in 30 slot PCI Express pode chegar aos 32 canais As taxas de transferência máximas são: • PCI Express X1 slot é permitida a instalação de placas de mesmo tamanho Expansion slots: 1x PCIe Gen5 x16, 1x PCIe x1, 1x E-Key Video ports: 1x HDMI ; 1x DP ; 1x eDP USB: 2x USB Gen2 Type-C