Brand Modal		NVR308-32R	NVR308-64R
Video and Audio
IP Video Input		32-ch	64-ch
Two-way audio input		1-ch, RCA
Network
Incoming bandwidth		320 Mbps
Outgoing bandwidth		320 Mbps
Remote connection		128
Video/Audio Output
HDMI/VGA Output		HDMI1/VGA: 1920x1080p /60Hz, 1920x1080p /50Hz, 1600x1200 /60Hz, 1280x1024 /60Hz, 1280x720 /60Hz, 1024x768/60Hz HDMI2: 4K (3840x2160) /60Hz, 4K (3840x2160) /30Hz, 1920x1080p /60Hz, 1920x1080p /50Hz, 1600x1200 /60Hz, 1280x1024 /60Hz, 1280x720 /60Hz, 1024x768 /60Hz
CVBS Output		1-ch, BNC
Audio Output		1-ch, RCA
Recording Resolution		8MP/6MP/5MP/4MP/3MP/1080p/960p/720p/D1/2CIF/CIF
Synchronous Playback		16-ch
Decoding
Compression		H.265/H.264
Live view/Playback		8MP/6MP/5MP/4MP/3MP/1080p/960p/720p/D1/2CIF/CIF
Capability		4 x 4K@30, 8 x 4MP@20, 16 x 1080P@25, 32 x 720P@25, 64 x D1
Hard Disk
SATA		8 SATA interface
Capacity		Upto 6TB for each disk
Disk array
Array type		RAID1, RAID5
External Interface
Network Interface		2 RJ-45 10M/100M/1000M self-adaptive Ethernet Interface
Network Function		HTTP, TCP/IP, IPV4, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, IP Server, P2P
Serial Interface		1 x RS-232, 1 x RS-485
USB Interface		Rear panel: 2 x USB2.0, 1 x USB3.0
Alarm In		16-ch
Alarm Out		4-ch
General
Power Supply		100 ~ 240 VAC
Consumption(without HDD and PoE)		≤ 20 W
Working Temperature		-10°C ~ + 55°C ( +14°F ~ +131°F )
Working Humidity		10% ~ 90%
Dimensions		86mm × 442mm ×531mm ( 3.4" × 17.4" × 19.9" )
Weight(without HDD )		≤ 5.13 Kg (11.31 lb )