I am thinking about purchasing 2 My Books for my Macbook AIR. One 1TB and one 2 TB and both will be connected to my wireless router.
The 1TB My Book will contain all my media files.
But can my 2TB My Book (via Time Machine or WD back up software) back up BOTH my Macbook AIR AND my 1TB My Book? Or can it only back up my computer?