PCIe NVMe SSDs in 2024

What is PCIe® Gen 4 for SSDs, and how does it compare to Gen 3 gen4 ssd in gen 3 slot They are all compatible Even a PCIe SSD will work just fine, but the speed will be limited to PCIe x4 wolf gold mobile slot I'm trying my first build and I bought a samsung 980 PCIe NVMe SSD which is a PCIe Gen x4, NVMe interface

slot car 1_24 This drive installs into an available 2280 PCIe x4 slot Advanced features such as dynamic write acceleration, error correction code , TRIM support