Wanted recommendation : pcie to card

PCIe vs : What's the Difference and Which Is Better pcie gen 4 in 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 pcie 4 in pcie 3 slot 2 x16 Gen 4 Card uses PCIe , which doubles the bandwidth per lane compared to PCIe With four slots, it offers up to 256 Gbps of bandwidth per card,

pcie x32 slot Built with a PCI Express® Gen 4 x4 interface, 3D NAND flash, an 8-channel Why couldn't my Transcend PCIe SSD be inserted into the notebook slot?