BlackArmor NAS 440 4TB Network Attached Storage Server with four 1TB preinstalled hard drives...The Seagate BlackArmor NAS 440 storage server is a complete, small-business-specific network storage solution designed to provide optimum uptime and data integrity to ensure business continuity for up to 50 workstations. Continuously and automatically protect business-critical data with incremental and full-system backup, bare metal restore (full-system restore) and individual file to entire volume encryption. Enhance data integrity and/or performance with RAID 0/1/5/10 & JBOD configuration options. Access files securely over the internet from any popular web browser -- no special software required. Includes four energy efficient, reliable Seagate hard drives. All four drives are easily removable without tools and hot-swappable to optimize uptime and data availability. Backed by a 3-year limited warranty from Seagate, the world leader in storage technology. Designed for small business to provide optimum uptime and data integrity for up to 50 workstations; Supports Windows XP, Windows Vista operating systems and Mac OS X 10.4.11 or later; Includes energy efficient, reliable Seagate hard drives; Incremental and full-system, scheduled, automatic backup for network connected PCs using Windows XP and Windows Vista operating systems; Secure internet access from any popular web browser - no special software required; Hot-swappable, user-replaceable drives - no tools required; Two Ethernet ports for local network connection, port failover and NAS to NAS replication; User-configurable RAID 0/1/5/10 & JBOD; Four USB 2.0 ports for external drives, printers and UPS (uninterrupted power supply); Offers the level of security that is right for your business - from individual files to entire volume encryption; On-board LCD screen for quick status info; Microsoft Active Directory support; Multi-volume management; Event email notification; DLNA and iTunes media streaming. INCLUDES BlackArmor NAS 400 series storage server, four Seagate drives, 2 meter RJ45 Cable, AC Power Cord, Quick Start Guide.