Western Digital WDH2NC40000N My Book World Editon II 4TB Network Hard Drive

With the double protection of two mirrored drives, My Book World Edition II is an extra safe place to create an automatic continuous back up for all the Computers in your network. Store all your Digital media in one central location so everyone can securely access it, even remotely. Stream movies and Music anywhere in your home. It is compatible with both Mac and Windows files. Now you can easily back up Data from all your networked computers with the included continuous backup software. Set it and forget it; every time you save something it's instantly and automatically backed up. Using RAID mirroring technology, this system automatically and continuously maintains a second copy of your data for extra safe data protection. If one drive in this two-drive system ever fails, the system continues to run and your data is safe. How's that for peace of mind? Built-in media Server for Streaming music, photos and movies to any PC, Mac or DLNA certified multimedia device such as Playstation 3, Xbox 360, wireless digital picture frames, and connected Audio receivers. DLNA 1.5 & UPnP certified. Centralize your music collection and play from Macs or Windows PCS using iTunes software.

Remote access - Access your files anywhere, anytime using MioNet remote access technology from WD

iTunes server support - Centralize your music collection and stream to a Mac or Windows PC using iTunes software

Works seamlessly with both Windows and Mac computers - Access and save files seamlessly from both your Windows and your Mac computers

Easy to set up, easy to find on your network - Set up is a snap; in just a few minutes you're up and running. Windows Vista and Mac computers will automatically find your My Book drive in seconds

Simple file recovery - Restore lost, damaged or older files back to their original location with a couple of clicks

Share your Personal content - MioNet remote access technology makes it easy for you to securely share photos and documents with friends and family

USB 2.0 Utility port - Turn any USB drive into an instant network drive or extra capacity for your World Edition II

Cooler, quieter, eco-friendlier - Equipped with WD drives using WD GreenPower Technology

Capacity gauge - See at a glance how much space is available on your drive

User serviceable - Want to Upgrade a drive? Simply open the case and replace the existing drive - no screwdriver needed

High-speed data transfer with Gigabit Ethernet - Gigabit Networking and transfer rates are five to six times faster than other standard 10/100 Ethernet network Storage systems

System Requirements: Home or office network with an available Ethernet connection (Gigabit Ethernet recommended for optimal performance), Windows XP/Vista, Mac OS X Tiger or Leopard, Web browser, Broadband Internet connection

Dimensions (WxLxH): 3.90" x 6.30" x 6.5"

Weight: 5.51 lbs.