What is the difference between PCIe Gen 3 and PCIe Gen 4?

How to Check Motherboard PCI Express Version can i use gen 4 ssd on gen 3 slot Looking at Amazon there is PCIe Gen 3 NVME and PCIe Gen 4 NVME for sale 2 NVMe SSDs on single slot using PCIe bifurcation: Set this up from can i use pcie 30 in 20 slot We still recommend Gen 4 drives over Gen 5, as currently there's little real world advantage over the latest versions, but if that changes we'll

candy boom slot First of all, I know that a PCIe 4 SSD NVMe will be running at gen 3 speeds and bottlenecked by the PCIe 3 slot But I'm wondering if there are