I spent more than 2 hours googling and trying to solve the following problem without success. Disk utility shows my 1TB SSD as circular diagram with what seems to be 2 partitions: 930GB formatted as ...

is partition alignment just for ssd? if not, is there any advantage for non-ssd? i've heard of the paragon alignment tool..doing it.. though prob not free and don't know if it's good. Only plain old ...