Whether you're an IT expert or not, WD Sentinel is easy to install & provides secure centralized storage, complete data protection, & remote file access for your employees & trusted vendors while in the office or from anywhere. Featuring hard drives optimized for reliability, quality & performance, an Intel Atom processor, & the latest operating system, it delivers a reliable, secure & easy-to-manage storage server designed specifically for small office environments. The easy set up process means that you can integrate WD Sentinel into your office network like a pro. The administration dashboard quickly guides you through the process including adding users, setting up data access, creating shared folders, & scheduling backups. Replacing one of the pre-installed drives, or adding a new drive, is as easy as changing a light bulb. Just open the door & swap out the drives. WD Sentinel does the rest. It seamlessly migrates the server to the appropriate RAID level & automatically expands the server's storage capacity. Your users can still access your business data while the drive is being integrated. No data loss. No down time.