• Up to 16 channel IP cameras can be connected
• Up to 1-ch@32 MP/2-ch@12 MP/16-ch@1080p decoding capacity
• Only (B) version support 2 HDMI and 1 VGA interfaces, and HDMI interfaces support independent video output
• 4 HDDs for continuous video recording
• Supports various special function cameras, including thermal camera/fisheye/people counting/heatmap/ANPR (automatic number plate recognition)
• Advanced streaming technology enables smooth live view and data self-correction in poor network conditions
• Supports dual-stream recording to save time and bandwidth.

Warranties - Returns:
Money Return:	Repair - Replacement:
20 days	36 months

Specifications
Video and Audio
IP video input	16-ch Up to 12 MP resolution *: 32 MP and 24 MP is only available for channel 1 when ultra HD resolution mode is enabled. For DS-7732NI-I4(B), when ultra HD resolution mode is enabled, it will reduce the IP video input to 24-ch.
Incoming bandwidth	160 Mbps
Outgoing bandwidth	256 Mbps
HDMI 1 output	4K (3840 x 2160)/60Hz, 4K (3840 x 2160)/30Hz, 1920 x 1080/60Hz, 1600 x 1200/60Hz, 1280 x 1024/60Hz, 1280 x 720/60Hz, 1024 x 768/60Hz
HDMI 2 output	1920 x 1080/60Hz, 1280 x 1024/60Hz, 1280 x 720/60Hz, 1024 x 768/60Hz
VGA output	1920 x 1080/60Hz, 1280 x 1024/60Hz, 1280 x 720/60Hz, 1024 x 768/60Hz
Video output mode	HDMI1/VGA simultaneous output, HDMI2/VGA independent output
CVBS output	1-ch, BNC (1.0 Vp-p, 75 Ω), resolution: PAL: 704 x 576, NTSC: 704 x 480
Audio output	1-ch, RCA (Linear, 1 KΩ)
Two-way audio input	1-ch, RCA (2.0 Vp-p, 1 KΩ, using the audio input)
Decoding
Decoding format	H.265+/H.265/H.264+/H.264/MPEG4
Recording resolution	32 MP/24 MP/12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080p/UXGA/720p/VGA /4CIF/DCIF/ 2CIF/CIF/QCIF *: 32 MP and 24 MP is only available for channel 1 when ultra HD resolution mode is enabled. For DS-7732NI-I4(B), when ultra HD resolution mode is enabled, it will reduce the IP video input to 24-ch.
Synchronous playback	16-ch
Capability	1-ch@32 MP (30 fps)/2-ch@12 MP (20 fps)/4-ch@8 MP (25 fps)/8-ch@4 MP (30 fps)/16-ch@1080p (30 fps)
Dual stream recording	Support
Stream type	Video, Video & Audio
Audio compression	G.711ulaw/G.711alaw/G.722/G.726
Network
Remote connections	128
Network protocol	TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS
Network interface	2, RJ-45 10/100/1000 Mbps self-adaptive Ethernet interface
Auxiliary Interface
Serial port	1 RS-485 (half-duplex), 1 RS-232
SATA	4 SATA interfaces
eSATA (optional)	1 eSATA interface
Capacity	Up to 10 TB capacity for each disk
Alarm in/out	16/4 (16/8 optional)
USB interface	Front panel: 2 x USB 2.0; Rear panel: 1 x USB 3.0
General
Power supply	100 to 240 VAC, 50 to 60 Hz
Consumption (without HDD)	≤ 20 W
Working temperature	-10 °C to 55 °C
Working humidity	10% to 90%
Chassis	19-inch rack-mounted 1.5U chassis
Dimension(WxDxH)	445 x 400 x 75 mm
Weight (without HDD)	≤ 5 kg
Certification
FCC	Part 15 Subpart B, ANSI C63.4-2014
CE	EN 55032:2015, EN 61000-3-2, EN 61000-3-3, EN 50130-4