Buffalo  LinkStation Pro 500GB Shared Network Attached Storage  LS-500GL (Black) LinkStation Pro; Setup CD-ROM; Quick Setup Guides; Ethernet Cable; Power Cord; Warranty Statement Simplified File Sharing For Home or Small Office Network Active Directory Support: Works as a client in an Active Directory domain allowing LinkStation Pro to utilize the domain users and groups. High Speed Processor and SATA Hard Drive Provide Ultra Fast Transfer Rates. Control Access With Group and User Level Security