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

What are the top uses of PCIe x1 Slots? pcie x1 slot Helpful Tip: Keep in mind that an SSD is only compatible with a motherboard that supports a slot PCIe buses can support 1x, 4x, 8x, and 16x lanes pciex16 slot configuration Install a PCI Express x16 Card into a PCI Express x1 slot, in a 1U chassis · Designed to fit most 1U server chassis' · Complete pass through design supports the

pcieslot PCIe slots are used to connect graphics cards, sound cards, other interface cards and some