| Model | 
NVR-C504-32 E1 | 
| System | 
| Main Processor | 
Intel Processors | 
| Operating System | 
LINUX | 
| Video& Audio | 
| IP Camera Input | 
32 channel | 
| Two-way Talk | 
1channel Input, 1channel Output, RCA | 
| Display | 
  | 
| Interface | 
2 HDMI (up to 3840×2160), 1 VGA | 
| Resolution | 
3840×2160, 1920×1080, 1280×1024, 1280×720, 1024×768 | 
| Multi-screen Display | 
The 1st screen: 1/4/8/9/16/25/36 | 
| The 2nd screen: 1/4/8/9/16 | 
  | 
| OSD | 
Camera title, Time, Video loss, Camera lock, Motion detection, Recording | 
| Recording | 
| Compression | 
H.264/MJPEG | 
| Resolution | 
12Mp, 8Mp, 6Mp, 5Mp, 3Mp, 1080P, 1.3Mp, 720P & etc. | 
| Record Rate | 
256Mbps | 
| Bit Rate | 
1~ 20Mbps | 
| Record Mode | 
Manual, Schedule(Regular(Continuous), MD(Video detection: Motion detection, Camera blank, Video loss), 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 out, Video Push, Email, FTP, Snapshot, Buzzer & Screen tips | 
| Video Detection | 
Motion Detection, MD Zones: 396(22×18), Video Loss & Camera Blank | 
| Alarm Input | 
16ch, low level effective, green terminal interface | 
| Relay Output | 
8ch, Relay contact(1A@24VDC), NO/NC programmable, green terminal interface | 
| Playback & Backup | 
| Playback | 
128Mbps in Raid 5 mode | 
| 64Mbps in single HDD mode | 
| 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 | 
| Network | 
| Interface | 
2 RJ-45 ports (10/100/1000Mbps) | 
| Ethernet Port | 
2 Ethernet ports joint working or 2 independent 1000Mbps Ethernet ports | 
| 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 | 
| Storage | 
| Internal HDD | 
8 SATA III ports, up to 48TB | 
| HDD Mode | 
Single, Raid 0/1/5/6/10/50/60 (Support global HDD hot-spare) | 
| Auxiliary Interface | 
| USB | 
4 USB ports(3 USB2.0, 1 USB3.0) | 
| eSATA | 
1 eSATA port | 
| RS232 | 
1 port, For PC communication& keyboard | 
| RS485 | 
1 port, For PTZ control | 
| General | 
| Power Supply | 
AC110V~240V, 50~60Hz | 
| Power Consumption | 
<40W (Without HDD) | 
| Working Environment | 
-10°C~+55°C/10%~90%RH/86~106kpa | 
| Dimension(W×D×H) | 
19"x17.7"x3.6" | 
| Weight | 
19.8 lbs (without HDD) | 
| Package Dimension: | 
22"x22"x9" | 
| Package Weight: | 
20.40 lbs (without HDD) |