Western Digital My Book Duo Desktop RAID External Hard Drive (USB 3.0)(4TB)(Silver)

THE ULTIMATE DUAL-DRIVE STORAGE SOLUTION Offering massive capacity with fast transfer speeds, password activated hardware encryption, multiple RAID and backup options. Dual-drive Performance Two WD Red HDDs for massive capacity with ultrafast transfer speeds to transfer your entire media collection with ease. Your Personal Digital Storage Up to 16TB to keep your entire media collection and all your important documents organized in a single, reliable place. Automatic Backup Software Set your own schedule for updates and backups with software that works quietly in the background to help protect your data. ALWAYS-ON PERFORMANCE The My Book Duo drive ships with integrated WD Red hard drives, designed and tested for optimal reliability and always-on performance in small RAID environments. System-level Backups Keep your entire operating system — and everything on it — close at hand. All of your files, applications, and system settings are backed up. Multitask With USB 3.0 Features two USB 3.0 ports on the back to connect multiple devices simultaneously. Add another external drive for increased storage or charge multiple phones, tablets, or other USB devices at the same time. User Serviceable Enclosure To expand storage capacity with ease, just pop open the enclosure and insert new drives — no tools required. Ready To Go and Easy To Use Pre-formatted NTFS, the My Book Duo drive is ready to use right out of the box for Windows® operating system users, or the drive can also be easily reformatted for Mac OS X operating systems.