I have a brand new Ubuntu PC with three SSDs connected and they are shown in the BIOS.
However only two of them are shown in the terminal.
Running udisksctl status
I get:
MODEL REVISION SERIAL DEVICE--------------------------------------------------------------------------Samsung SSD 980 PRO 1TB 5B2QGXA7 S5GXNF1R846481E nvme0n1 Samsung SSD 980 PRO 2TB 5B2QGXA7 S69ENX0W217972R nvme1n1