TeraStation 5400DN is a high-performance four-drive network storage solution ideal for businesses and demanding users requiring a reliable RAID-based NAS solution for larger networks and business-critical applications. Increased reliability is achieved with the TeraStation 5400DN being populated with hard drives built specifically for NAS devices. NAS drives also run cooler, reducing power consumption and result in lower operating costs and longer average lifetime. Device Type: NAS server Host Connectivity: Gigabit Ethernet Total Storage Capacity: 12 TB Max Supported Capacity: 16 TB Installed Devices / Modules Qty: 4 (installed) / 4 (max) Dimensions (WxDxH): 6.7 in x 9.1 in x 8.5 in Weight: 17.64 lbs Processor: 1 x Intel Atom ( Dual-Core ) Storage Controller: RAID SATA 3Gb/s - RAID 0, 1, 5, 6, 10, JBOD Hard Drive: 4 x 3 TB SATA 3Gb/s Networking: 10Mb LAN, 100Mb LAN, GigE Power: AC 100 V ( 50/60 Hz ) System Requirements: Microsoft Windows XP, Microsoft Windows Server 2003, Microsoft Windows XP Media Center Edition 2004, Microsoft Windows XP Media Center Edition 2005, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2003 R2, Microsoft Windows Server 2008, Microsoft Windows Vista (32/64 bits), Microsoft Windows 7 (32/64 bits), Microsoft Windows Server 2012, Windows 8 (32/64 bits), Windows 8.1 (32/64 bits), Windows 8.1 RT, Microsoft Windows Server 2012 R2, Windows RT, Apple MacOS X 10.5 - 10.9, Apple MacOS X 10.10 Manufacturer Warranty: 3 years warranty Device Type: NAS server Host Connectivity: Gigabit Ethernet Total Storage Capacity: 12 TB Max Supported Capacity: 16 TB Installed Devices / Modules Qty: 4 (installed) / 4 (max) Width: 6.7 in Depth: 9.1 in Height: 8.5 in Weight: 17.64 lbs Built-in Devices: Status LCD Processors Installed: 1 x Intel Atom Number of Cores: Dual-Core Max Supported Qty: 1 RAM Installed: 2 GB DDR3 Type: RAID Interface Type: SATA 3Gb/s RAID Level: RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD Type: HDD - hot-swap Capacity: 4 x 3 TB Interface Type: SATA 3Gb/s Data Link Protocol: 10Mb LAN, 100Mb LAN, GigE Network / Transport Protocol: TCP/IP Remote Management Protocol: SNMP Network Services Compatibility: Microsoft Active Directory (AD), Microsoft CIFS, Network File System (NFS), FTP, FTPS, Server Message Block (SMB), Apple File Protocol (AFP) Features: Auto-uplink (auto MDI/MDI-X), print server, DFS support, half duplex mode, full duplex mode, Buffalo Web Access, Apple Time Machine compatible Encryption Algorithm: 128-bit AES Compliant Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab Expansion Bays: 4 (total) / 0 (free) x hot-swap Interfaces: 2 x Ethernet 1000Base-T - RJ-45 2 x USB 2.0 - Type A 2 x USB 3.0 - Type A 1 x management - DB-9 Cables Included: 1 x network cable - 6.6 ft Features: Security lock slot (cable lock sold separately), lockable front door, built-in 2 cooling fans, UPS support, Citrix Ready Compliant Standards: RoHS, VCCI Class A Included Accessories: 2 x front panel key Power Device: X internal power supply Voltage Required: AC 100 V ( 50/60 Hz ) Power Consumption Operational: 86 Watt Software Included: NovaStor NovaBACKUP, Adobe Reader, Tera Navigator, NAS Navigator2 OS Required: Microsoft Windows XP, Microsoft Windows Server 2003, Microsoft Windows XP Media Center Edition 2004, Microsoft Windows XP Media Center Edition 2005, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2003 R2, Microsoft Windows Server 2008, Microsoft Windows Vista (32/64 bits), Microsoft Windows 7 (32/64 bits), Microsoft Windows Server 2012, Windows 8 (32/64 bits), Windows 8.1 (32/64 bits), Windows 8.1 RT, Microsoft Windows Server 2012 R2, Windows RT, Apple MacOS X 10.5 - 10.9, Apple MacOS X 10.10 Service & Support: Limited warranty - 3 years Min Operating Temperature: 41 °F Max Operating Temperature: 95 °F Humidity Range Operating: 20 - 80% (non-condensing)