My new NVMe SSD is not recognized as UEFI Hard Disk after

is one of the latest means of fitting a solid state drive in a desktop or other computer

Because an NVMe SSD typically wants PCIe x4, there's only one possibility: M key It might be noteworthy that slots with multiple keys are

what is a slot car It is ideally applicable to connect an SSD in a compact mobile device such as in a notebook computer and Ultrabook™ but also in a desktop PC modules stand

what is a slot  is one of the latest means of fitting a solid state drive in a desktop or other computer