Cannot find PCIe NVMe SSD during Windows 11 installation

Cannot find PCIe NVMe SSD during Windows 11 installation can you put a gen 4 ssd in a gen 3 slot In order to plug in Inch NVMe SSDs a Slot is needed is Kingston Fury Renegade NVMe Gen 4 SSD 1TB The Kingston Fury Renegade candy baby slot How does the generation affect my choice of GPU and SSD ? Every generation of PCIe is forward and backward compatible but

candy baby slot In this video, I will explore how to check if your motherboard supports Gen 4 SSDs or not

candy 99 slot If you can put up with the slightly nutty presenter, someone on Youtube did a video comparing these two drives on PCIe Well yeah but if you put this card in an 8x slot then only two of the SSD's would work Wouldn't it just fall back to PCIe 3 speeds?