Bipra B:Drive B3 160GB USB 3.0 2.5 inch Mac Edition Portable External Hard Drive - Red - Mac OS Extended (Journaled) -Works with Time Machine software - Suitable for Mac OS only Macbook, iMac and Macbook Pro's - Bipra external USB 2.5" portable size hard drive comes with free carry case. You can store all data in your Pocket size drive. Nice Ridged design. Formatted and ready to be used. No messing about needed, just plug it into your USB Ports and away you go. Support plug and play. Ideal for data backup, photos, video, iTunes, Documents, MP3, MP4 and presentations etc. Support USB3.0 with up to 5 GB/Sec ultra high transfer speed, backward compatibility usb2.0, copy huge files in a minutes. Can be utilised on any personal computers, desktop or laptop. - Formatted in Mac Extended Journaled for you to use on Mac OS only. - Package Contents: USB 3.0 External Hard Drive, USB Connecting Cable, Carry Case. Bipra USB 3.0 External Hard Drive With 1 Year Warranty in USA.