Buffalo TeraStation Pro 1 TB Network Attached Storage TS-2.0TGL/R5 Works as a client member in an Active Directory domain Four operational modes: Standard, Spanning, Mirroring and RAID 5 Advanced RAID system to continually check hard drive performance Quick swap hard drive tray via the front panel for easier maintenance 10/100/1000 Gigabit Ethernet port and Jumbo Frame capability for higher transfer speeds