WD 4TB My Cloud Personal Network Attached Storage - NAS - WDBCTL0040HWT-NESN 4TB Storage Capacity, Back up files from all your computers Gigabit Ethernet and USB 3.0, Blazing-fast file transfers Package Includes: Personal cloud storage, Ethernet cable, AC adapter and Quick Install Guide, DLNA 1.5 and UPnP Certified Auto Network Discovery, Windows and Mac Compatible.Compatible with Windows 10, Windows 8, Windows 7, Mac OS X El Capitan,Yosemite, Mavericks, or Mountain Lion operating systems. Requires,DLNA/UPnP devices for streaming and a router with Internet connection. Stream to your DLNA/UPnP-certified connected TVs, media players and gaming consoles The My Cloud drive is compatible with Apple Time Machine for Mac users