DESC: Product Features: Platform: Mac, PC; Network Storage Type: Network Storage Server; Hard Drive Capacity: 2000 GB; Form Factor: External; Hard Drive Type: Standard; HD Data Transfer Rate: 300 MBps; Expansion Bays (free): 3 free bays; Special Features: FTP Server, NAS; Ports: 1 x USB 2.0; Controller RAID Level: JBOD; Controller Type: Serial ATA II, USB 2.0; Networking Type: Gigabit Network Adapter, USB 2.0; Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet, Hi-Speed USB, TCP/IP; Depth: 3.4 in.; Height: 5.1 in.; Width: 8.1 in.; Weight: 5.1 lb.; Operating System: Microsoft Windows 7