$ lsblk /dev/nvme1n1
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
nvme1n1     259:0    0 476.9G  0 disk 
├─nvme1n1p1 259:1    0   300M  0 part /boot/efi
└─nvme1n1p2 259:2    0 476.6G  0 part /

$ df -H /
Filesystem      Size  Used Avail Use% Mounted on
/dev/nvme1n1p2  503G  7.6G  470G   2% /

$ Get-PSDrive /

Name           Used (GB)     Free (GB) Provider      Root
----           ---------     --------- --------      ----
/                  30.92        437.17 FileSystem    /   

$ lsblk /dev/nvme1n1
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
nvme1n1     259:2    0 238.5G  0 disk 
├─nvme1n1p1 259:3    0   300M  0 part /boot/efi
└─nvme1n1p2 259:4    0 238.2G  0 part /

$ df -H /
Filesystem      Size  Used Avail Use% Mounted on
/dev/nvme1n1p2  251G  7.7G  231G   4% /

$ [Threading.Thread]::CurrentThread.CurrentCulture = 'ivr'   # Brought to one denominator

$ Get-PSDrive /

Name           Used (GB)     Free (GB) Provider      Root
----           ---------     --------- --------      ----
/                  19.00        214.38 FileSystem    /