| Model | DH-NVR4808 | DH-NVR4816 | DH-NVR4832 | |
|---|---|---|---|---|
| Main Processor | Dual-core embedded processor | |||
| Operating System | Embedded LINUX | |||
| IP Camera Input | 8 channel | 16 channel | 32 channel | |
| Two-way Talk | 1channel Input, 1channel Output, RCA | |||
| Interface | 1 HDMI, 1 VGA, 1 TV | |||
| Resolution | 1920× 1080, 1280× 1024, 1280× 720, 1024× 768 | |||
| Display Split | 1/4/8/9 | 1/4/8/9/16 | 1/4/8/9/16 | |
| OSD | Camera title, Time, Video loss, Camera lock, Motion detection, 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 | 200 Mbps | |||
| Bit Rate | 48~8192 Mbps | |||
| 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 | |||
| Trigger Events | Recording, PTZ, Tour, Alarm, Video Push, Email, FTP, Snapshot, Buzzer & Screen tips | |||
| Video Detection | Motion Detection, MD Zones: 396(22× 18), Video Loss & Camera Blank | |||
| Alarm Input | 16 channel | |||
| Relay Output | 4 channel | |||
| 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/Network/Internal SATA burner/eSATA Device | |||
| 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 | 128 users | |||
| Smart Phone | iPhone, iPad, Android, Windows Phone | |||
| Internal HDD | 8 SATA ports, up to 32TB | |||
| External HDD | 1 eSATA port | |||
| USB | 3 ports (1 Rear USB3.0, 2 Front USB2.0) | |||
| RS232 | 1 port, For PC communication & Keyboard | |||
| RS485 | 1 port, For PTZ control | |||
| Power Supply | AC 100V~240V, 50/60HZ | |||
| Power Consumption | 40W(without HDD) | |||
| Working Environment | -10°C~+55°C / 10%~90%RH / 86~106kpa | |||
| Dimension (W×D× H) | 2U, 440mm × 460mm × 89mm | |||
| Weight | 6.5KG (without HDD) | |||
