Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x32a5570e

Device     Boot     Start       End   Sectors   Size Id Type
/dev/sda1            2048  31746047  31744000  15.1G 27 Hidden NTFS WinRE
/dev/sda2  *     31746048  31950847    204800   100M  7 HPFS/NTFS/exFAT
/dev/sda3        31950848 504360674 472409827 225.3G  7 HPFS/NTFS/exFAT
/dev/sda4       504363006 976771071 472408066 225.3G  f W95 Ext'd (LBA)
/dev/sda5       504363008 913670118 409307111 195.2G  7 HPFS/NTFS/exFAT
/dev/sda6       913674240 966883327  53209088  25.4G 83 Linux
/dev/sda7       966885376 976771071   9885696   4.7G 82 Linux swap / Solaris

Partition 4 does not start on physical sector boundary.