I’m currently running a Samsung 960 Pro NVME SSD. That is a PCIe 3.0 M.2 Drive. Now that I’ve upgraded to a PCIe 4.0 capable x570 chipset motherboard, it makes me wonder if it would be worth it…

Upgrade from PCIe 3.0 NVME SSD to PCIe 4.0?

Source: [H]ardOCP – Upgrade from PCIe 3.0 NVME SSD to PCIe 4.0?