TECHNICAL SPECIFICATIONS Windows 10, Windows 8, Windows 7, Mac OS X El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion operating systems. Warranty: 2 Years Local Manufacturer Warranty Capacity 1.5TB, 8TB, 16TB, 24TB Interface Gigabit Ethernet x 2 Power supply (DC in) x 2 USB 3.0 expansion port x 2 rear USB 3.0 port with direct copy x 1 front Package Includes:- 1 x My Cloud Expert Series EX4100 Device 1 x Ethernet cable 1 x Power supply and cable 1 x Quick Install Guide Sync Your Content With WD Sync, you can automatically synchronize your media and files across your computers and your My Cloud device, so you can be confident your content is always up to date and accessible with all your devices. Auto Backup For All Your Computers With WD SmartWare Pro backup software, you can customize when and where the content on all the PCs on your network is saved, while Mac users have full access to Apple Time Machine for personalized backup. You can even automatically back up your data to a separate My Cloud NAS device, or any supported cloud service. Third-party App Support My Cloud EX4100 supports a full suite of popular applications for a personalized experience. Using apps like Plex, Dropbox, WordPress and more, you can customize your NAS for your own specific needs. Featuring Ultra-reliable WD Red NAS Drives My Cloud EX4100 comes pre-configured with WD Red hard drives, specifically built for NAS systems to provide improved performance within 24x7 environments. The My Cloud EX4100 is also available in a diskless version, so you can create a custom NAS with compatible hard drives. Volume Encryption Equipped with 256 AES volume encryption, it helps to secure your stored files across your entire network. Whether you’re using a PC or a Mac, your content is protected. Multiple RAID Options With the RAID settings of the My Cloud EX4100, you can customize your system with the configuration that’s best for you. Use RAID 0 for enhanced performance, RAID 1 for mirrored data protection, or a JBOD / spanning structure for non-RAID configurations.