| Operation System | Linux-embedded system | 
                                                | Networking | TCP/IP, DHCP Client, DHCP Server, CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP, DDNS, NTP, Gigabit Jumbo Frame | 
                                                | File System | EXT3 (Internal/ external HDD) | 
                                                | FAT (External HDD) | 
                                                | NTFS (External HDD) | 
                                                | Supported Operating Systems | Microsoft® Windows® 98/ ME/ NT/ 2000/ XP/ 2003/ Vista/ Windows 7 (32bit & 64bit) | 
                                                | Macintosh® OS X | 
                                                | Linux and Unix | 
                                                | Disk Management | Single disk, RAID 0 (Disk Stripping), RAID 1 (Disk Mirroring) and JBOD (Linear Disk Volume) | 
                                                | Disk usage status management | 
                                                | Check disk (Check Linux file system) | 
                                                | HDD S.M.A.R.T. | 
                                                | Bad blocks scan | 
                                                | User Management | User quota management (per user) | 
                                                | Windows AD Service support | 
                                                | User account management (max. 256 users) | 
                                                | User group management (max. 128 groups) | 
                                                | File System Management | Network share management (max. 256 shares) | 
                                                | Share folder level ACL support | 
                                                | Unicode support | 
                                                | Journaling file system | 
                                                | Web File Manager | 
                                                | System Tools | E-mail alert (SMTP authentication) | 
                                                | HDD standby mode | 
                                                | Disk usage alert | 
                                                | Automatic power on after power loss | 
                                                | System firmware upgrade | 
                                                | Change homepage logo | 
                                                | Back up, restore, reset system settings | 
                                                | Smart fan setting | 
                                                | Configurable management port | 
                                                | Easy IP filter management | 
                                                | Secure remote login by SSH connection; remote login by Telnet connection | 
                                                | USB, SNMP UPS support | 
                                                | Network recycle bin | 
                                                | Event Logs | Complete system logs (system events management, connection logs, current connection of on-line users) | 
                                                | Multilingual Support | English, Traditional Chinese, Simplified Chinese, Japanese, Korean, French, German, Italian, Spanish, Russian, Swedish, Danish, Finnish, Norwegian and Polish | 
                                                | Backup Management | PC-client backup software- NetBak Replicator: Instant/ Schedule/ Auto-sync backup | 
                                                | Encrypted remote replication | 
                                                | RAID 1 Mirroring | 
                                                | Flexible data backup to external storage device via USB port (Instant, Schedule and Auto-Sync Backup) |