This model supports only SATA - not NVMe. You will need to return the drive and order a 2.5" SATA SSD or an M.2 SATA SSD, which is the only type of drive this system supports. Documentation and service manual  here: [URL]
I have bought kingston a2000 nvme ssd as the slot in my laptop is M key slot but the ssd is not detected.what to do?
SSD upgrade for dell vostro 15 5568