*ONLINE ONLY - Allow extra time for delivery. Ship to store FREE! During checkout select ''Store Pick-up'' as your delivery option.* Seagate Expansion 2 TB Portable Hard Drive - External - Black. Desktop PC, MAC Device Supported - USB 3.0 - 3 Year Warranty. The Seagate® Expansion portable drive is compact and perfect for on-the-go. Instantly add more storage space to your PC or Mac and takelarge files with you when you travel. Setup is simple and straightforward; simply connect a single USB cableand you are ready to go. The drive is powered from the USB cable, so there is no need for an external power supply. Plus, it is automatically recognized by the Windows® or Mac operating system, so there is no software to install and nothing to configure. Saving files is easy-simplydrag-and-drop.