New SSD Not Showing Up In BIOS

slot 3 not working any more m 2 slot not working Place the Pro back into the slot Won't get past BIOS load screen So the slot will not work unless the controller is set to RAID Mode m24 slot If you have the option of multiple slots where at least one supports PCIe, it's worth considering your secondary slot for an SSD upgrade When combined with

m2_1 slot What motherboard? Some models don't support 2 NVMe drives For example, my B450M Pro4 will support NVMe drive on the first slot