4TB Expansion Portable USB 3.0 External HDD, Micro-USB 3.0 Interface, Bus Powered, Rescue Data Recovery Services, Preformatted exFAT, Windows and Mac Compatible, Black | STKM4000400 4 TB

Easy drag and drop- simply drag and drop photos, songs, videos, docs and more onto expansion portable drive.works with windows and mac computers- ready to go right out of the box with automatic recognition for quick and simple setup.easy plug-and-play- high-speed usb 3.0 cable seamlessly plugs into pcs/macs. no wall adapter needed.extra storage for pc- free up computer space by adding on the extra capacity of expansion portable drive.small drive. big capacity-made for on-the-go days, expansion portable drive is small enough to fit into a bag or purse, all while storing a huge digital library.sleek and simple portable drive design for taking photos, movies, music, and more on-the-go.automatic recognition of windows and mac computers for simple setup (reformatting required for use with time machine)drag-and-drop file saving.usb 3.0 powered.