What is the Difference Between PCIe Gen 3 & Gen 4?

PCIe Vs PCIe on RTX 3060 12GB l 1080p Ad

After a quick Google search, I found this article which explains that: a PCIe x16 slot can theoretically hit approximately 32 gigabytes

can i use pcie 30 in 20 slot Historically, updates to PCIe doubled transfer rates and used multiples of 8 since generation With PCIe , bandwidth capacity is 64

cancel tesco delivery slot 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