PCIe Gen 4 vs Gen 3: Do you need to spend extra on SSDs?
M.2 2242 NVMe SSD Gen3 | Integral Memory
Amazon.com: Crucial P3 4TB PCIe Gen3 3D NAND NVMe M.2 SSD, up to 3500MB/s - CT4000P3SSD8 : Electronics
Amazon.com: MMOMENT MT34 512GB PCIe Gen3 NVMe M.2 2280 Internal Solid State Drive, Gen3.0X4, Read Speed up to 2000MB/s, for Laptop and PC Desktop : Electronics