I ran the fdisk command to see how my disk is partitioned and got the following result.
Disk /dev/sda: 698,7 GiB, 750156374016 bytes, 1465149168 sectores
Units: 1 * 512 = 512 bytes sectors
Sector size (logical/physical) 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes...