Max speed of PCIE for SSD

Max speed of PCIE for SSD m 2 pcie 4 0 in 3 0 slot The lower slot on the Asrock board is using one of the SATA lanes So you won't get any speed advantage PCIe pastedImage_ SATA 3 SSD m2_1 slot You can plug pcie into slots as it's backwards compatible but the speeds will be limited to Gen 3 It wouldn't be able to go above the

m2_1 slot 2 NVMe SSD to PCIe x4 Mobile RackBackplane with Removable Tray for PCI Express Expansion Slot, Tool-less Installation, PCIe Hot-Swap Drive Bay, Key

m2 sata slot Unlike a more obvious and drastic upgrade where you can see the difference in the connector itself, PCIe 3 and 4 drives look identical from 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