Seagate Expansion Portable 4TB External Hard Drive HDD | STKM4000400:

Expansion portable drive is an easy-to-use solution for instantly adding storage to Windows or Mac and taking those files on the go. Take advantage of fast data transfer speeds with USB 3.0 and consolidate files into a single location. Free up space on your computer with a simple drag and drop. File saving is that easy. Plus, Seagate Expansion comes with Rescue Data Recovery Services for additional peace of mind.