Command (? for help): p
Disk /dev/sdb: 976773168 sectors, 465.8 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 46C7873A-4EC3-48AB-ACAA-CA27EC1B3A24
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 976773134
Partitions will be aligned on 2048-sector boundaries
Total free space is 2014 sectors (1007.0 KiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048          411647   200.0 MiB   8300
   2          411648        52840447   25.0 GiB    8300
   3        52840448       976773134   440.6 GiB   8300