The example below showcases a P4800X NVME PCI device being registered on an ESXi host as a Intel Corporation 900P.
You have recently upgraded or installed specific FW on your NVME device and see it as another drive after ESXi boots up.
From the boot log, you will see the device probed:
0:00:00:11.136 cpu0:2097152)PCI: 1097: 0000:af:00.0: probing 8086:2700 8086:3900
Which will list on the host as a...
Intel Corporation 900P Series [Add-in Card](8086:2700 8086:3900)