Model: ATA Samsung SSD 850 (scsi)
Disk /dev/sda: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End     Size    File system     Name  Flags
 1      1049kB  106MB   105MB   fat32                 boot, esp
 2      106MB   32.1GB  32.0GB  ext4
 3      32.1GB  40.1GB  8000MB  linux-swap(v1)
 4      40.1GB  490GB   450GB   ext4