PCIe NVMe Gen3 vs Gen4

I'm trying my first build and I bought a samsung 980 PCIe NVMe SSD which is a PCIe Gen x4, NVMe interface

Hi, I have a 2018 Mac mini and a Thunderbolt3 NVME SSD enclosure, I notice that the Gen 4 NVME SSD is getting cheaper and cheaper,

gengtoto slot Limiting it to PCIe x4 merely halves the maximum bandwidth, so the linear thruput will be lower But very rarely do you have long, linear

genie jackpots megaways slot Crucial T705 PCIe Gen 5 NVME SSD, 14,500 MB 2 slots where at least one supports PCIe, it's worth considering your secondary slot for an SSD upgrade