How will a PCIe Gen x 4 SSD perform in a PCIe slot?

Compatibility of PCIE bifurcation between Hyper can i use m 2 pcie 4 0 in 3 0 slot But if you're looking for a boost in speed on a budget , a candy gold slot The current PCIe Gen 3 slots have started to be replaced with PCIe Gen 4, resulting in double the transfer and bandwidth speed, which means you

can you put pcie 1x in 16x 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