4th gen SSD on B450 motherboard?

Rocket 4 ssds are fast, but still not fast enough yet to max out a PCIE Gen4 M2 slot yet Samsung 980 PRO and a couple others similar to it

2 NVMe SSDs are backward-compatible, so even with a Gen3 platform, you usually get better value from a Gen4 SSD even if it can't run at its rated speed

genesis slot Testing and installing a Gen4 NVME SSD on a Gen3 Motherboard This includes

genting slot game PCIe's are generally backwards compatible, but speed is limited by the number of connectors Gen 3 PCIe connectors have fewer points of