First off I have Windows 10 on its own SSD (/dev/sda). I would like to install Ubuntu on its own SSD (/dev/sdb). As I was going through installation I didn't get an option to install Ubuntu alongside Windows, so I chose "other".
From there I created a swap and created a ext4 on sdb. Now I need to choose where to install the boot loader. Do I chose /dev/sda? or is it /dev/sdb?