The power adapter is not required here and it can work only with a USB cable/port. Notebook class (portable type) is with 2.5-inch mechanism power hard disk. So, if you want a portable external hard drive for your Mac book or Mac air laptops, then this is not for you. Of course, you can move and take it with you, but it should be connected to power always. So, mostly this is not portable, suitable to keep in one place, either your home or office desk. This to Consider When you buy an External Hard drive for your Mac Type: Desktop class or portable type.ĭesktop class external hard drives for Mac have a 3.5-inch mechanism hard disk which needs a power adapter.
