PCIe 16x into a 1x slot

What is the difference between PCIe Gen 3 and PCIe Gen 4? can you put a pcie x1 in a x16 slot AMD B550 Ultra Durable Motherboard with Digital VRM Solution, PCIe x16 Slot 1x PCIe ® Slot 2 2280 • NVMe PCIe x4 and SATA Mode candy candy slot NI PCIe 6612 has x1 Form Factor and maximum bandwidth for x1 configuration is 250MBs It doesn't change if you put x1 card in x2, x4,

candy bonanza slot png In general, yes it should run on a X1 slot, if it can fit as some x1 slots are open ended to allow bigger cards to fit But check around to get