NVR1821-08A-TU 8 Bay Professional 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. 8 HDDs up to 64TB 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)

 

 

 NVR1821-08009A-TUNVR1821-08016A-TUNVR1821-08032A-TUNVR1821-08064A-TU
Video/Audio Input
IP Camera Input9 channel16 channel32 channel64 channel
Resolution8MP(4K), 6MP, 5MP, 4MP, 3MP, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF
CompressionH.265 / H.264
ProtocolsOnvif, RTSP, KEDACOM
Bitrate64kbps ~ 16384kbps
Incoming Bandwidth90Mbps160Mbps320Mbps320Mbps
Live Viewing
Local Display1 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+4/11, 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, 9/91, 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, 16/161, 3, 4, 9, 15, 16, 25, 36, 48, 64, 1+4, 1+8, 1+9, 1+15, 1/1, 2/1, 4/1, 9/1, 15/1, 16/1, 36/1, 48/1, 64/1, 1+4/1, 1+8/1, 1+9/1, 1+15/1, 4/9, 9/4, 9/9
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-MapLive Viewing in E-Map (NVR Station)
FunctionE-PTZ / Scheme / Polling / TV-Wall (optional with decoder) / Virtual channel
Recording
Resolution8MP(4K), 6MP, 5MP, 4MP, 3MP, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF
ModeManual / Continuous / Schedule / Event (Pre / Post)
Event TriggerSupported
Tag Supported
ReliabilityAutomatic Network Replenishment (ANR)
Search & Playback 
Search ModeDate and time (Calendar) / Event
Resolution8MP(4K), 6MP, 5MP, 4MP, 3MP, 1080p, UXGA, 960p, 720p, XGA, SVGA, D1, CIF, QCIF
Playback
(Local Monitor)
4 x 4K@30fps / 9 x 1080p@30fps4 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@30fps4 x 4K@30fps / 16 x 1080p@30fps
Synchronize Playback
(Client)
4 x 4K@30fps
FunctionSlow forward / Fast forward / Loop / Single frame / E-PTZ / Slice playback
Storage
Max. Internal HDDs8 x 3.5’’ HDD
Max. 64TB (up to 8TB/each)
RAIDRAID 0/1/5/6/10
ExternalIP SAN (iSCSI), up to 10 x IPSAN, Max. 100T (optional)
e-SATA
FunctionDisk group / Quota / Disk dormancy
Audio
Compression G.711a / G.711u / ADPCM / G.722 / G.722.1c 
Bit rate32kbps ~ 64kbps
Audio FunctionBi-directional audio / Dumb / Mute / Broadcasting
Alarm
Service Alarm TriggersAlarm 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 TriggersDevice disconnected / No disk / Disk error / IP Address conflict / Network disconnected / Low speed / Insufficient recording space / MAC address conflict / Insufficient snapshot space
Alarm EventsSnapshot / 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 SystemEmbedded Linux
User ManagementAdmin / User
Log ManagementUser login / User operation / Alarm / Backup / Update
Application ProgrammingNVR Station SDK
Network
Network ProtocolsTCP/IP, UDP, HTTP, HTTPS, DHCP, DNS/DDNS,RTP/RTCP,RTSP, PPPoE, FTP, VSIP, UPnP,802.1x,NAT, QoS, SSH, NTP, SNMP, IGMP, SMTP, Multicast, IPv4, IPv6(optional)
Viewer SoftwareCMS (NVR Station) / Web / iOS app / Android app
Max. User Access64 Users
Output Bandwidth256Mbps
FunctionNAT / Socks5 / Multiple network access / Packet loss recovery / Auto network organizing
Network TestSupported
Hot BackupN+1
Interfaces
Ethernet2 x Gigabite network port, RJ45 interface
Video Out1 x HDMI (up to 3840 x 2160@60Hz)
1 x VGA (up to 1920 x 1080@60Hz)
Audio In / Out1 x RCA Line in / 1 x RCA Line out
Alarm In / Out2 x Inputs / 2 x Outputs
Control 2 x RS485
USB2 x USB 2.0 1x USB3.0
e-SATA1 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 ConsumptionMax. 15W (HDD not included)
Mechanical
Weight 7.6kg / 16.72lb (HDD not included)
Dimensions443 x 461 x 88mm / 17.44’’ x 18.15’’ x 3.46’’