/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *1.0 TB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_APFS Container disk1 1000.0 GB disk0s2
/dev/disk1 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +1000.0 GB disk1
Physical Store disk0s2
1: APFS Volume Macintosh SSD 479.8 GB disk1s1
2: APFS Volume Preboot 41.9 MB disk1s2
3: APFS Volume Recovery 1.0 GB disk1s3
4: APFS Volume VM 5.4 GB disk1s4
/dev/disk2 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.1 GB disk2
1: EFI EFI 209.7 MB disk2s1
2: Apple_APFS Container disk3 499.9 GB disk2s2
/dev/disk3 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +499.9 GB disk3
Physical Store disk2s2
1: APFS Volume Macintosh SSD 269.3 GB disk3s1
2: APFS Volume Preboot 38.6 MB disk3s2
3: APFS Volume Recovery 1.0 GB disk3s3
4: APFS Volume VM 8.6 GB disk3s4