The Expansion's internal storage is a low-power drive that spins at just 5, 400 rotations per minute, and not at 7, 200rpm. The slow spin speed generally translates into slower performance ( not in this case though; more on that later) but at the same time also means lower power consumption.
The Expansion ships in a spartan retail package that includes the drive itself and a foot-long standard Micro-USB 3.0 cable. But that's all you need to get up and running. Like all portable drives, the Expansion is bus-powered, requiring just one cable for both data and power.
Out of the box, the Expansion is preformatted in the NTFS file system so it works right a way with a Windows computer. You can also easily reformat it into HFS+ in order to work with a Mac, a process that takes just a few seconds. In fact, I generally find that buying a drive like this is a much cheaper way to get storage for your Mac than buying a Mac-designated drive, which are generally much more expensiv
