Is it okay to use PCI Gen 4 drives with gen 3 slots?

Is it okay to use PCI Gen 4 drives with gen 3 slots? will a gen 4 ssd work in a gen 3 slot From a numbers standpoint, it depends on the speed of your gen4 drive; but if your drive is capable of higher transfer speeds than gen3 williams slot Good idea I think the best idea is to get pcie x 4 if building today

williams slot You can use 2280-sized NVMe SSDs We have drives from 250GB up to 4TB available in the Framework Marketplace , and drives ranging from 128GB

will gen 4 nvme work in gen 3 slot Hi, I currently am using a Pi 5 and I have connected via a Blue USB slot an External SSD enclosure, with an PCIe Gen 4 NVMe SSD in it  Hi, I currently am using a Pi 5 and I have connected via a Blue USB slot an External SSD enclosure, with an PCIe Gen 4 NVMe SSD in it