Is it okay to put Gen 3 SSD in my motherboards Gen 4 pcie slots?

Is it okay to put Gen 3 SSD in my motherboards Gen 4 pcie slots? can you run pcie 4 0 in 3 0 slot A PCIe graphics card will work in a PCIe motherboard slot at PCIe speeds For PCIe graphics cards, maximum graphics throughput candy slot game It won't work well but it will work So, what I need is a NVMe x4 passive adapter card, which will plug the into a normal PCIe x1 slot, and

candy slot game PCI-E versions are Backwards Compatable it will work all you may get is limited Bandwidth from your PCI-E Slot to your PCI-E Graphics

candy village slot png PCIe Gen 4 is backward compatible, so a PCIe Gen 4 device connected to a PCIe Gen 3 system will function normally at PCIe Gen 3 speeds That means if you A PCIe SSD card can be inserted into a motherboard having PCIe slots use of the greater bandwidth of the Gen 4 slot