| Operating  System Supported  Clients                               Windows XP, Vista, Windows 7  (32/64-bit), Windows Server 2003/2008 R2Apple Mac OS XLinux & UNIX Supported  Browsers                               Microsoft Internet Explorer  8, 9Mozilla Firefox 8, 9, 10Apple Safari 4, 5Google Chrome Multilingual  Support                               Chinese (Traditional &  Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek,  Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian,  Russian, Spanish, Swedish, Thai, Turkish File  System                               Internal Hard Drive: EXT3,  EXT4External Hard Drive: EXT3,  EXT4, NTFS, FAT32, HFS+ Networking                               TCP/IP (IPv4 & IPv6:  Dual Stack)Service Binding based on  Network InterfacesDHCP Client, DHCP ServerProtocols: CIFS/SMB, AFP  (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP,  SMTP, and SMSCUPnP & Bonjour DiscoveryUSB Wi-Fi Adapter Support Backup  Solution                               Real-time Remote Replication  (RTRR)                                                                Works as Both RTRR Server & Client with Bandwith ControlReal-time & Scheduled BackupEncryption, Compression, File Filter, and Transfer Rate LimitationBlock-level Remote  Replication                                                                Works as Both Rsync Server & Client with Bandwidth ControlEncrypted Replication between QNAP NAS ServersUSB One Touch Backup  (Import/Export)Desktop Backup by QNAP  NetBak Replicator for WindowsApple Time Machine Support  with Backup ManagementData Backup to Multiple  External Storage DevicesData Backup to Cloud Storage  (Amazon S3, ElephantDrive) Security                               IP Filter and Policy-based  Automatic IP BlockingNetwork Access Protection  with Auto-blocking: SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFPEncrypted Access: HTTPS, FTP  with SSL/TLS (Explicit), SSH/SFTP (admin only), Encrypted Remote Replication between  QNAP NAS Servers (Rsync over SSH)CIFS Host Access Control for  Shared FoldersAntivirus ProtectionAES 256-bit External Drive  Encryption*Importable SSL CertificateInstant Alert via E-mail,  SMS, Instant Messaging (Windows Live), Beep, and LCD Panel | Disk  Management                               Single Disk, JBOD, RAID 0, 1Bad Block Scan & Hard  Drive S.M.A.R.T.Bitmap SupportSystem Migration iSCSI  (IP SAN)                               iSCSI Target                                                                Multi-LUNs per TargetUp to 256 Targets/LUNs CombinedSupports LUN Mapping & MaskingOnline LUN Capacity ExpansionSupports SPC-3 Persistent ReservationSupports MPIO & MC/SiSCSI LUN Backup, One-time  Snapshot, and RestoreiSCSI  Connection and Management by QNAP Finder (Windows)Virtual Disk Drive (via  iSCSI Initiator)                                                                Stack Chaining MasterMax No. of Virtual Disk Drives: 8 Power  Management                               Internal Hard Drive Standby  ModeScheduled Power on/off (Max  15 Settings)Automatic Power on after  Power RecoveryUSB and Network UPS Support  with SNMP Management Access  Right Management                               Max No. of Users: 1024Max No. of User Groups: 128Max No. of Network Shares: 256Batch Users CreationImport/Export UsersUser Quota ManagementSubfolder Permissions  Support for CIFS/SMB, AFP, FTP and Web File Manager Domain  Authentication Integration                               Microsoft Active Directory  (AD)LDAP ServerLDAP ClientDomain Users Login via  CIFS/SMB, AFP, FTP, and Web File Manager MyCloudNAS  Service                               Private Cloud Storage and  SharingFree Host Name Registration  (DDNS)Auto Router Configuration  (via UPnP)MyCloudNAS Connect for Easy  Connection (Windows utility) Storage  Plug & Play                               Windows Software: QNAP  FinderCreate and Map Shared  FoldersCreate and Connect to iSCSI  Target/LUN Web  Administration                               AJAX-based User InterfaceSmart Fan ControlDynamic DNS (DDNS)SNMP (v2 & v3)Resource MonitorNetwork Recycle Bin for File  Deletion via CIFS/SMB and AFPComprehensive Logs (Events  & Connection)Syslog ClientFirmware Live UpdateSystem Settings Backup and  RestoreRestore to Factory Default |