Form Factor: 1U Port RJ-45: 2 x 10/100/1000M Port USB: 2 x USB3.0 + 2 x USB2.0 HDD Interface: 4 x SATA Supported Protocols: Networking: TCP/IP File Sharing: CIFS/SMB, AFP, HTTP/HTTPS, FTP/FTPS/SFTP, NFS Directory Integration: LDAP, Active Directory Time Synchronization: NTP Operating System: Client OS Support: Windows 7 (32-bit/64-bit), Windows Vista (32-bit/64-bit), Windows XP, Windows 2000, Windows Server 2008, Windows Server 2003, Windows 2000 Server Processor: Intel Atom 1.66 GHz Dual Core Default/ Max. Memory: 2 GB RAM