NVR1821-04A 4 Bay High-performance Network Video Recorder

High-performance, High-capacity

H.265 supported
4 x 4K@30fps / 16 x 1080p@30fps video decoding capability
Up to 64 channels
Up to 320Mbps incoming bandwidth
256Mbps output bandwidth
64 user access simultaneously
Max. 4 HDDs up to 32TB storage
e-SATA storage supported

Easy to install

Automatic network organizing
Built-in DHCP server

High reliability

Embedded Linux
Low power consumption
Supports Automatic Network Replenishment (ANR)
Supports Packet Loss Recovery (PLR)
N+1 Hot Backup

Abundant functions and features

HDMI/VGA simultaneously output different content
E-Map, TV-Wall supported
Bi-directional audio, Broadcasting
NAT, Socks5
Alarm management
Free CMS (NVR Station), supports 128 NVR simultaneously
CMS supports 6 screens simultaneously (4 x Live viewing, 1 x E-Map, 1 x TV-Wall)

	NVR1821-04009A	NVR1821-04016A	NVR1821-04032A
Video/Audio Input
IP Camera Input	9 channel	16 channel	32 channel
Resolution	8MP(4K), 6MP, 5MP, 4MP, 3MP, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF
Compression	H.265 / H.264
Protocols	Onvif, RTSP, KEDACOM
Bitrate	64kbps ~ 16384kbps
Incoming Bandwidth	90Mbps	160Mbps	320Mbps
Live Viewing
Local Display	1 x HDMI, 1 x VGA, simultaneously output different content
Multi Screen Display Local monitor (Main / Secondary):	1, 3, 4, 9, 1+4, 1+8, 1/1, 2/1, 4/1, 1+4/1	1, 3, 4, 9, 15, 16, 1+4, 1+8, 1+9, 1+15, 1/1, 2/1, 4/1, 9/1, 15/1, 16/1, 1+4/1, 1+8/1, 1+9/1, 1+15/1, 4/9, 9/4, 9/9	1, 3, 4, 9, 15, 16, 25, 36, 1+4, 1+8, 1+9, 1+15, 1/1, 2/1, 4/1, 9/1, 15/1, 16/1, 36/1, 1+4/1, 1+8/1, 1+9/1, 1+15/1, 4/9, 9/4, 9/9, 16/16
Multi Screen Display Client	up to 4 screens simultaneously: 1, 3, 4, 9, 12, 16, 20, 25, 30, 36, 42, 49, 56, 63, 64 1+5, 1+7, 1+8, 1+9, 1+11, 1+12, 1+13, 1+15, 1+16, 1+33, 1+47, 1+48
E-Map	Live Viewing in E-Map (NVR Station)
Function	E-PTZ / Scheme / Polling / TV-Wall (optional with decoder) / Virtual channel
Recording
Resolution	8MP(4K), 6MP, 5MP, 4MP, 3MP, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF
Mode	Manual / Continuous / Schedule / Event (Pre / Post)
Event Trigger	Supported
Tag	Supported
Reliability	Automatic Network Replenishment (ANR)
Search & Playback
Search Mode	Date and time (Calendar) / Event
Resolution	8MP(4K), 6MP, 5MP, 4MP, 3MP, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF
Playback (Local Monitor)	4 x 4K@30fps / 9 x 1080p@30fps	4 x 4K@30fps / 16 x 1080p@30fps
Playback (Client)	up to 16 x 4K@30fps
Synchronize Playback (Local Monitor)	4 x 4K@30fps / 9 x 1080p@30fps	4 x 4K@30fps / 16 x 1080p@30fps
Synchronize Playback (Client)	4 x 4K@30fps
Function	Slow forward / Fast forward / Loop / Single frame / E-PTZ / Slice playback
Storage
Max. Internal HDDs	4 x 3.5’’ HDD
	Max. 32TB (up to 8TB/each)
RAID	RAID 0/1/5/6/10 (optional)
External	IP SAN (iSCSI), up to 10 x IPSAN, Max. 100T (optional)
	e-SATA
Function	Disk group / Quota / Disk dormancy
Audio
Compression	G.711a / G.711u / ADPCM / G.722 / G.722.1c
Bit rate	32kbps ~ 64kbps
Audio Function	Bi-directional audio / Dumb / Mute / Broadcasting
Alarm
Service Alarm Triggers	Alarm input / Video lost / Motion detection / Tampering / Guard line / Defocus / Scene change / Enter guard area / Exit guard area / Object left / Object removal / Gathering / Audio surge
System Alarm Triggers	Device disconnected / No disk / Disk error / IP Address conflict / Network disconnected / Low speed / Insufficient recording space / MAC address conflict / Insufficient snapshot space
Alarm Events	Snapshot / Recording / PTZ preset / Buzzer / Email / Link to Client / Alarm caption / Live view in first window / Link to TV Wall / Link to secondary screen / Full screen viewing
System
Operating System	Embedded Linux
User Management	Admin / User
Log Management	User login / User operation / Alarm / Backup / Update
Application Programming	NVR Station SDK
Network
Network Protocols	TCP/IP, UDP, HTTP, DHCP, DNS/DDNS, RTP/RTCP, RTSP, PPPoE, FTP, SNTP, VSIP, UPNP, SMTP, IPv4, IPv6 (optional)
Viewer Software	CMS (NVR Station) / Web / iOS app / Android app
Max. User Access	64 Users
Output Bandwidth	256Mbps
Function	NAT / Socks5 / Multiple network access / Packet loss recovery / Auto network organizing
Network Test	Supported
Hot Backup	N+1
Interfaces
Ethernet	2 x Gigabite network port, RJ45 interface
Video Out	1 x HDMI (up to 3840 x 2160@60Hz)
	1 x VGA (up to 1920 x 1080@60Hz)
Audio In / Out	1 x RCA Line in / 1 x RCA Line out
Alarm In / Out	2 x Inputs / 2 x Outputs
Control	2 x RS485
USB	2 x USB 2.0 1x USB3.0
e-SATA	1 x e-SATA
Environmental
Operating Temperature	-10°C ~ 55°C / 14°F ~ 131°F
Operating Humidity	10% ~ 90%
Electrical
Power	100 ~ 240V AC, 50 ~ 60Hz
Power Consumption	Max. 15W (HDD not included)
Mechanical
Weight	7.6kg / 16.72lb (HDD not included)
Dimensions	443 x 461 x 88mm / 17.44’’ x 18.15’’ x 3.46’’