Model: ATA Samsung SSD 850 (scsi)
Disk /dev/sda: 250GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End    Size    File system     Name                  Flags
 1      1049kB  290MB  289MB   fat32           EFI system partition  boot, hidden, esp
 2      290MB   228GB  228GB   ntfs            Basic data partition  msftdata
 4      228GB   231GB  3183MB  linux-swap(v1)
 3      231GB   250GB  19.0GB  ext4