Buffalo  LinkStation Pro Duo 2-Bay 1 TB (2 x 500 GB) Network Attached Storage LS-W1.0TGL/R1 LinkStation Pro Duo; Setup CD-ROM; Quick Setup Guides; Ethernet Cable; Power Cord; Warranty Statement Duo includes RAID 1, Active Directory support, Web Access, and a built-in FTP server with Dual Hard Disks LinkStation Client Utility allows easy setup and administration from a PC or Mac. Active Directory support/ 1 USB Port Web Access and a built-in FTP server let you access your files remotely.