While that's completely up to you, I always recommend keeping your _system_ and _data_ separate. So in this case, I'd say change the data drive.
That way, if something happens to the system disk, your data is fine.
Hope it helps!
While that's completely up to you, I always recommend keeping your _system_ and _data_ separate. So in this case, I'd say change the data drive.
That way, if something happens to the system disk, your data is fine.
Hope it helps!