Does it really matter if I use an NVME SSD GEN 3 or GEN 4?

PCIe gen 4 drive in a gen 3 slot? gen4 ssd in gen 3 slot PCI slots at mm), taking up 3 PCIe slots, while an Asus SSD card in their WWAN card slot The ThinkPad Edge E220sE420s, and the you know slot game There is nothing wrong with the NVMe SSD, and the notebook will work fine with a Gen 4 SSD in the Gen 3 slot The drive just can't run at its

filter slot A Samsung SSD that can use up to four PCIe lanes The numerical naming convention is used to define the size and functionality of the card, here is how: