| System | 
  | Main Processor | Dual-core embedded processor | 
  | Operating System | Embedded LINUX | 
  | Video & Audio | 
  | IP Camera Input | 8 channel | 
  | Two-way Talk | 1 channel Input, 1 channel Output, BNC | 
  | Display | 
  | Interface | 1 HDMI, 1 VGA, 1TV | 
  | Resolution | 1920×1080, 1280×1024, 1280×720, 1024×768 | 
  | Display Split | 1/4/8/9 | 
  | OSD | Camera title, Time, Video loss, Camera lock, Motion detection, Recording | 
  | Recording | 
  | Compression | H.264 / MJPEG | 
  | Resolution | 5MP(2560×1920) / 3MP(2048×1536) / 1080P(1920×1080) / 720P(1280×720) / D1 (704×576/704×480) & etc. | 
  | Record Rate | Max 128Mbps ( eg. 16ch 5MP @ 8Mbps, 32ch 1080P @ 4Mbps &; etc.) | 
  | Bit Rate | 48~ 8192kbps | 
  | Record Mode | Manual, Schedule(Regular(Continuous), MD, Alarm), Stop | 
  | Record Interval | 1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec | 
  | Video Detection & Alarm | 
  | Trigger Events | Recording, PTZ, Tour, Alarm, Video Push, Email, FTP, Buzzer & Screen tips | 
  | Video Detection | Motion Detection, MD Zones: 396(22×18), Video Loss & Camera Blank | 
  | Alarm Input | 8 channel | 16 channel | 16 channel | 
  | Relay Output | 6 channel | 
  | Playback & Backup |  | 
  | Sync Playback | 1 / 4 / 9 | 1/4/9/16 | 1/4/9/16 | 
  | Search Mode | Time/Date, Alarm, MD & Exact search (accurate to second), Smart search | 
  | Playback Function | Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom | 
  | Backup Mode | USB Device / eSATA Device / Internal SATA burner/ Network | 
  | Network | 
  | Ethernet | 2 RJ-45 port (10/100/1000Mbps) | 
  | Network Function | HTTP, TCP/IP, IPv4/IPv6, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS and etc.) | 
  | Max. User Access | 20 users | 
  | Smart Phone | iPhone, iPad, Android, Windows Phone | 
  | Storage | 
  | Internal HDD | 8 SATA ports (8HDDs or 6HDDs+1CD/DVD-RW), up to 32TB | 
  | External HDD | 1 eSATA port (Max 4 SATA HDDs), up to 16TB | 
  | Auxiliary Interface | 
  | USB | 4 ports (2 Rear), USB2.0 | 
  | RS232 | 1 port, For PC communication & Keyboard | 
  | RS485 | 1 port, For PTZ control | 
  | General | 
  | Power Supply | AC 100V~240V, 50/60Hz | 
  | Power Consumption | 40W (without HDD) | 
  | Working Environment | -10°C~+55°C/10%~90%RH/86~106kpa | 
  | Dimension | 2U, 440mm×460mm×89mm | 
  | (W×D×H) | 
  | Weight | 6KG (without HDD) |