usb3_boot

Disk /dev/sda: 28 GiB, 30016659456 bytes, 58626288 sectors
Disk model: Generic
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: gpt
Disk identifier: 5EBF4B2E-FC36-4003-9031-9ABE89C11DF5

Device      Start      End  Sectors  Size Type
/dev/sda1      64     8063     8000  3.9M Linux filesystem
/dev/sda2    8192    32767    24576   12M Microsoft basic data
/dev/sda3   32768   262143   229376  112M Linux filesystem
/dev/sda4  262144 58626254 58364111 27.9G Linux filesystem