Model: ATA ST9500420AS (scsi)
Disk /dev/sda: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system     Name     Flags
 1      1049kB  2155MB  2154MB  linux-swap(v1)  primary
 2      2155MB  23.6GB  21.5GB  ext4            primary  boot, legacy_boot
 3      23.6GB  500GB   476GB   ext4            primary