The freecom mobile drive mg has been specifically designed as storage expansion for your macbookr key featuresr r ultra thin mobile hard drive in stylish design complements the macbookr magnesium enclosure ultra lightweight and environmently friendlyr connects to the usb port of your macbookr mac hfs formatted 100 timemachine compatibler power via usb port no need to carry a bulky power adapterr r the perfect mobile hard drive next to your macbookr the freecom mobile drive mg has been s